1125053510 has 64 divisors (see below), whose sum is σ = 2425116672. Its totient is φ = 367420416.

The previous prime is 1125053507. The next prime is 1125053537. The reversal of 1125053510 is 153505211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422102 + ... + 424758.

It is an arithmetic number, because the mean of its divisors is an integer number (37892448).

Almost surely, 2^1125053510 is an apocalyptic number.

1125053510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125053510 is an abundant number, since it is smaller than the sum of its proper divisors (1300063162).

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

1125053510 is a wasteful number, since it uses less digits than its factorization.

1125053510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1125053510 is about 33541.8173329949. The cubic root of 1125053510 is about 1040.0584009364.

Adding to 1125053510 its reverse (153505211), we get a palindrome (1278558721).

The spelling of 1125053510 in words is "one billion, one hundred twenty-five million, fifty-three thousand, five hundred ten".