1131452604 has 24 divisors (see below), whose sum is σ = 2933395920. Its totient is φ = 377150832.

The previous prime is 1131452587. The next prime is 1131452627. The reversal of 1131452604 is 4062541311.

It is a happy number.

1131452604 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 4 + 52 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238099 + ... + 5238314.

It is an arithmetic number, because the mean of its divisors is an integer number (122224830).

Almost surely, 2^1131452604 is an apocalyptic number.

It is an amenable number.

1131452604 is an abundant number, since it is smaller than the sum of its proper divisors (1801943316).

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

1131452604 is a wasteful number, since it uses less digits than its factorization.

1131452604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476426 (or 10476418 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1131452604 is about 33637.0718701851. The cubic root of 1131452604 is about 1042.0265600366.

Adding to 1131452604 its reverse (4062541311), we get a palindrome (5193993915).

The spelling of 1131452604 in words is "one billion, one hundred thirty-one million, four hundred fifty-two thousand, six hundred four".