1119925231 has 4 divisors (see below), whose sum is σ = 1122718464. Its totient is φ = 1117132000.

The previous prime is 1119925229. The next prime is 1119925249. The reversal of 1119925231 is 1325299111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1325299111 = 107 ⋅12385973.

It is a cyclic number.

It is not a de Polignac number, because 1119925231 - 2¹ = 1119925229 is a prime.

It is a super-2 number, since 2×1119925231² = 2508465046060806722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119925211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396015 + ... + 1396816.

It is an arithmetic number, because the mean of its divisors is an integer number (280679616).

Almost surely, 2^1119925231 is an apocalyptic number.

1119925231 is a deficient number, since it is larger than the sum of its proper divisors (2793233).

1119925231 is an equidigital number, since it uses as much as digits as its factorization.

1119925231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793232.

The product of its digits is 4860, while the sum is 34.

The square root of 1119925231 is about 33465.2839671203. The cubic root of 1119925231 is about 1038.4757104755.

The spelling of 1119925231 in words is "one billion, one hundred nineteen million, nine hundred twenty-five thousand, two hundred thirty-one".