1125523402 has 8 divisors (see below), whose sum is σ = 1688514912. Its totient is φ = 562685100.

The previous prime is 1125523391. The next prime is 1125523411. The reversal of 1125523402 is 2043255211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17724 + ... + 50647.

It is an arithmetic number, because the mean of its divisors is an integer number (211064364).

Almost surely, 2^1125523402 is an apocalyptic number.

1125523402 is a deficient number, since it is larger than the sum of its proper divisors (562991510).

1125523402 is an equidigital number, since it uses as much as digits as its factorization.

1125523402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76604.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1125523402 is about 33548.8211715404. The cubic root of 1125523402 is about 1040.2031783757.

Adding to 1125523402 its reverse (2043255211), we get a palindrome (3168778613).

The spelling of 1125523402 in words is "one billion, one hundred twenty-five million, five hundred twenty-three thousand, four hundred two".