1202421417 has 16 divisors (see below), whose sum is σ = 1624403520. Its totient is φ = 791062272.

The previous prime is 1202421413. The next prime is 1202421433. The reversal of 1202421417 is 7141242021.

It is not a de Polignac number, because 1202421417 - 2² = 1202421413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202421413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141933 + ... + 150165.

It is an arithmetic number, because the mean of its divisors is an integer number (101525220).

Almost surely, 2^1202421417 is an apocalyptic number.

It is an amenable number.

1202421417 is a deficient number, since it is larger than the sum of its proper divisors (421982103).

1202421417 is an equidigital number, since it uses as much as digits as its factorization.

1202421417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8872.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1202421417 is about 34675.9486820476. The cubic root of 1202421417 is about 1063.3728499403.

Adding to 1202421417 its reverse (7141242021), we get a palindrome (8343663438).

The spelling of 1202421417 in words is "one billion, two hundred two million, four hundred twenty-one thousand, four hundred seventeen".