1110232157 has 2 divisors, whose sum is σ = 1110232158. Its totient is φ = 1110232156.

The previous prime is 1110232139. The next prime is 1110232213. The reversal of 1110232157 is 7512320111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 928359961 + 181872196 = 30469^2 + 13486^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110232157 - 2¹⁶ = 1110166621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110232117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555116078 + 555116079.

It is an arithmetic number, because the mean of its divisors is an integer number (555116079).

Almost surely, 2^1110232157 is an apocalyptic number.

It is an amenable number.

1110232157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110232157 is an equidigital number, since it uses as much as digits as its factorization.

1110232157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1110232157 is about 33320.1464132437. The cubic root of 1110232157 is about 1035.4709851254.

Adding to 1110232157 its reverse (7512320111), we get a palindrome (8622552268).

The spelling of 1110232157 in words is "one billion, one hundred ten million, two hundred thirty-two thousand, one hundred fifty-seven".