1204122131 has 8 divisors (see below), whose sum is σ = 1269618000. Its totient is φ = 1138838400.

The previous prime is 1204122107. The next prime is 1204122133. The reversal of 1204122131 is 1312214021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204122131 is a prime.

It is a super-2 number, since 2×1204122131² = 2899820212727962322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1204122133) 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, 41306 + ... + 64143.

It is an arithmetic number, because the mean of its divisors is an integer number (158702250).

Almost surely, 2^1204122131 is an apocalyptic number.

1204122131 is a deficient number, since it is larger than the sum of its proper divisors (65495869).

1204122131 is a wasteful number, since it uses less digits than its factorization.

1204122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106069.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1204122131 is about 34700.4629796203. The cubic root of 1204122131 is about 1063.8739613056.

Adding to 1204122131 its reverse (1312214021), we get a palindrome (2516336152).

The spelling of 1204122131 in words is "one billion, two hundred four million, one hundred twenty-two thousand, one hundred thirty-one".