1231416552 has 64 divisors (see below), whose sum is σ = 3148246080. Its totient is φ = 401283072.

The previous prime is 1231416547. The next prime is 1231416583. The reversal of 1231416552 is 2556141321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190038 + ... + 196410.

It is an arithmetic number, because the mean of its divisors is an integer number (49191345).

Almost surely, 2^1231416552 is an apocalyptic number.

1231416552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231416552 is an abundant number, since it is smaller than the sum of its proper divisors (1916829528).

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

1231416552 is a wasteful number, since it uses less digits than its factorization.

1231416552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562 (or 6558 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1231416552 is about 35091.5453065265. The cubic root of 1231416552 is about 1071.8524268715.

Adding to 1231416552 its reverse (2556141321), we get a palindrome (3787557873).

The spelling of 1231416552 in words is "one billion, two hundred thirty-one million, four hundred sixteen thousand, five hundred fifty-two".