1051550125 has 8 divisors (see below), whose sum is σ = 1312334712. Its totient is φ = 841240000.

The previous prime is 1051550077. The next prime is 1051550153. The reversal of 1051550125 is 5210551501.

It can be written as a sum of positive squares in 4 ways, for example, as 27678121 + 1023872004 = 5261^2 + 31998^2 .

It is not a de Polignac number, because 1051550125 - 2⁹ = 1051549613 is a prime.

It is a super-2 number, since 2×1051550125² = 2211515330775031250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051550125.

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, 4206076 + ... + 4206325.

It is an arithmetic number, because the mean of its divisors is an integer number (164041839).

Almost surely, 2^1051550125 is an apocalyptic number.

It is an amenable number.

1051550125 is a deficient number, since it is larger than the sum of its proper divisors (260784587).

1051550125 is an frugal number, since it uses more digits than its factorization.

1051550125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412416 (or 8412406 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 1051550125 is about 32427.6136186430. The cubic root of 1051550125 is about 1016.8962827542.

The spelling of 1051550125 in words is "one billion, fifty-one million, five hundred fifty thousand, one hundred twenty-five".