1110120157 has 4 divisors (see below), whose sum is σ = 1111285980. Its totient is φ = 1108954336.

The previous prime is 1110120149. The next prime is 1110120161. The reversal of 1110120157 is 7510210111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 590781636 + 519338521 = 24306^2 + 22789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110120157 - 2³ = 1110120149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110120127) 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, 581482 + ... + 583387.

It is an arithmetic number, because the mean of its divisors is an integer number (277821495).

Almost surely, 2^1110120157 is an apocalyptic number.

It is an amenable number.

1110120157 is a deficient number, since it is larger than the sum of its proper divisors (1165823).

1110120157 is an equidigital number, since it uses as much as digits as its factorization.

1110120157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165822.

The product of its (nonzero) digits is 70, while the sum is 19.

The square root of 1110120157 is about 33318.4657059715. The cubic root of 1110120157 is about 1035.4361645852.

Adding to 1110120157 its reverse (7510210111), we get a palindrome (8620330268).

The spelling of 1110120157 in words is "one billion, one hundred ten million, one hundred twenty thousand, one hundred fifty-seven".