1251053408 has 48 divisors (see below), whose sum is σ = 2689848000. Its totient is φ = 568041600.

The previous prime is 1251053407. The next prime is 1251053429. The reversal of 1251053408 is 8043501521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251053407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526463 + ... + 528833.

It is an arithmetic number, because the mean of its divisors is an integer number (56038500).

Almost surely, 2^1251053408 is an apocalyptic number.

It is an amenable number.

1251053408 is an abundant number, since it is smaller than the sum of its proper divisors (1438794592).

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

1251053408 is a wasteful number, since it uses less digits than its factorization.

1251053408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1251053408 is about 35370.2333608361. The cubic root of 1251053408 is about 1077.5198598845.

Adding to 1251053408 its reverse (8043501521), we get a palindrome (9294554929).

The spelling of 1251053408 in words is "one billion, two hundred fifty-one million, fifty-three thousand, four hundred eight".