1125021710 has 16 divisors (see below), whose sum is σ = 2026350000. Its totient is φ = 449717376.

The previous prime is 1125021697. The next prime is 1125021727. The reversal of 1125021710 is 171205211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 19835 + ... + 51414.

It is an arithmetic number, because the mean of its divisors is an integer number (126646875).

Almost surely, 2^1125021710 is an apocalyptic number.

1125021710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125021710 is a deficient number, since it is larger than the sum of its proper divisors (901328290).

1125021710 is a wasteful number, since it uses less digits than its factorization.

1125021710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72835.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 1125021710 is about 33541.3432945075. The cubic root of 1125021710 is about 1040.0486016488.

Adding to 1125021710 its reverse (171205211), we get a palindrome (1296226921).

The spelling of 1125021710 in words is "one billion, one hundred twenty-five million, twenty-one thousand, seven hundred ten".