1123157375 has 8 divisors (see below), whose sum is σ = 1401700560. Its totient is φ = 898525800.

The previous prime is 1123157369. The next prime is 1123157417. The reversal of 1123157375 is 5737513211.

It is not a de Polignac number, because 1123157375 - 2⁴ = 1123157359 is a prime.

It is a super-2 number, since 2×1123157375² = 2522964978033781250, which contains 22 as substring.

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, 4492505 + ... + 4492754.

It is an arithmetic number, because the mean of its divisors is an integer number (175212570).

Almost surely, 2^1123157375 is an apocalyptic number.

1123157375 is a deficient number, since it is larger than the sum of its proper divisors (278543185).

1123157375 is an frugal number, since it uses more digits than its factorization.

1123157375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985274 (or 8985264 counting only the distinct ones).

The product of its digits is 22050, while the sum is 35.

The square root of 1123157375 is about 33513.5401740849. The cubic root of 1123157375 is about 1039.4737768689.

The spelling of 1123157375 in words is "one billion, one hundred twenty-three million, one hundred fifty-seven thousand, three hundred seventy-five".