1251106332 has 24 divisors (see below), whose sum is σ = 3336283776. Its totient is φ = 357458928.

The previous prime is 1251106261. The next prime is 1251106361. The reversal of 1251106332 is 2336011521.

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, 7446978 + ... + 7447145.

It is an arithmetic number, because the mean of its divisors is an integer number (139011824).

Almost surely, 2^1251106332 is an apocalyptic number.

1251106332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1251106332 is an abundant number, since it is smaller than the sum of its proper divisors (2085177444).

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

1251106332 is a wasteful number, since it uses less digits than its factorization.

1251106332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894137 (or 14894135 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1251106332 is about 35370.9814961361. The cubic root of 1251106332 is about 1077.5350539752.

Adding to 1251106332 its reverse (2336011521), we get a palindrome (3587117853).

The spelling of 1251106332 in words is "one billion, two hundred fifty-one million, one hundred six thousand, three hundred thirty-two".