1202422431 has 8 divisors (see below), whose sum is σ = 1832262784. Its totient is φ = 687098520.

The previous prime is 1202422387. The next prime is 1202422453. The reversal of 1202422431 is 1342242021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1202422431 - 2⁹ = 1202421919 is a prime.

It is a super-2 number, since 2×1202422431² = 2891639405143899522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57258211 = 1202422431 / (1 + 2 + 0 + 2 + 4 + 2 + 2 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202422398 and 1202422407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202422471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28629085 + ... + 28629126.

It is an arithmetic number, because the mean of its divisors is an integer number (229032848).

Almost surely, 2^1202422431 is an apocalyptic number.

1202422431 is a deficient number, since it is larger than the sum of its proper divisors (629840353).

1202422431 is an equidigital number, since it uses as much as digits as its factorization.

1202422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57258221.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1202422431 is about 34675.9633031297. The cubic root of 1202422431 is about 1063.3731488538.

Adding to 1202422431 its reverse (1342242021), we get a palindrome (2544664452).

The spelling of 1202422431 in words is "one billion, two hundred two million, four hundred twenty-two thousand, four hundred thirty-one".