1202122131 has 8 divisors (see below), whose sum is σ = 1831805184. Its totient is φ = 686926920.

The previous prime is 1202122127. The next prime is 1202122169. The reversal of 1202122131 is 1312212021.

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

It is not a de Polignac number, because 1202122131 - 2² = 1202122127 is a prime.

It is a super-2 number, since 2×1202122131² = 2890195235679962322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1202122131.

It is not an unprimeable number, because it can be changed into a prime (1202122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28621935 + ... + 28621976.

It is an arithmetic number, because the mean of its divisors is an integer number (228975648).

Almost surely, 2^1202122131 is an apocalyptic number.

1202122131 is a deficient number, since it is larger than the sum of its proper divisors (629683053).

1202122131 is an equidigital number, since it uses as much as digits as its factorization.

1202122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57243921.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1202122131 is about 34671.6329439500. The cubic root of 1202122131 is about 1063.2846171431.

Adding to 1202122131 its reverse (1312212021), we get a palindrome (2514334152).

The spelling of 1202122131 in words is "one billion, two hundred two million, one hundred twenty-two thousand, one hundred thirty-one".