1125051102 has 48 divisors (see below), whose sum is σ = 2802983040. Its totient is φ = 319465296.

The previous prime is 1125051089. The next prime is 1125051113. The reversal of 1125051102 is 2011505211.

It is a super-2 number, since 2×1125051102² = 2531479964222828808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6852 + ... + 47927.

It is an arithmetic number, because the mean of its divisors is an integer number (58395480).

Almost surely, 2^1125051102 is an apocalyptic number.

1125051102 is an abundant number, since it is smaller than the sum of its proper divisors (1677931938).

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

1125051102 is a wasteful number, since it uses less digits than its factorization.

1125051102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54957 (or 54954 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1125051102 is about 33541.7814374848. The cubic root of 1125051102 is about 1040.0576589088.

Adding to 1125051102 its reverse (2011505211), we get a palindrome (3136556313).

The spelling of 1125051102 in words is "one billion, one hundred twenty-five million, fifty-one thousand, one hundred two".