1231202004 has 12 divisors (see below), whose sum is σ = 2872804704. Its totient is φ = 410400664.

The previous prime is 1231202003. The next prime is 1231202017. The reversal of 1231202004 is 4002021321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231202003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51300072 + ... + 51300095.

It is an arithmetic number, because the mean of its divisors is an integer number (239400392).

Almost surely, 2^1231202004 is an apocalyptic number.

It is an amenable number.

1231202004 is an abundant number, since it is smaller than the sum of its proper divisors (1641602700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231202004 is a wasteful number, since it uses less digits than its factorization.

1231202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102600174 (or 102600172 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1231202004 is about 35088.4881976981. The cubic root of 1231202004 is about 1071.7901741348.

Adding to 1231202004 its reverse (4002021321), we get a palindrome (5233223325).

The spelling of 1231202004 in words is "one billion, two hundred thirty-one million, two hundred two thousand, four".