1231452004 has 12 divisors (see below), whose sum is σ = 2155951728. Its totient is φ = 615465800.

The previous prime is 1231451989. The next prime is 1231452023. The reversal of 1231452004 is 4002541321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54202 + ... + 73489.

It is an arithmetic number, because the mean of its divisors is an integer number (179662644).

Almost surely, 2^1231452004 is an apocalyptic number.

It is an amenable number.

1231452004 is a deficient number, since it is larger than the sum of its proper divisors (924499724).

1231452004 is a wasteful number, since it uses less digits than its factorization.

1231452004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130106 (or 130104 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1231452004 is about 35092.0504388102. The cubic root of 1231452004 is about 1071.8627128433.

Adding to 1231452004 its reverse (4002541321), we get a palindrome (5233993325).

The spelling of 1231452004 in words is "one billion, two hundred thirty-one million, four hundred fifty-two thousand, four".