157120003 has 2 divisors, whose sum is σ = 157120004. Its totient is φ = 157120002.

The previous prime is 157119983. The next prime is 157120043. The reversal of 157120003 is 300021751.

157120003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157120003 - 2⁵ = 157119971 is a prime.

It is not a weakly prime, because it can be changed into another prime (157120043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78560001 + 78560002.

It is an arithmetic number, because the mean of its divisors is an integer number (78560002).

Almost surely, 2^157120003 is an apocalyptic number.

157120003 is a deficient number, since it is larger than the sum of its proper divisors (1).

157120003 is an equidigital number, since it uses as much as digits as its factorization.

157120003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 157120003 is about 12534.7518124612. The cubic root of 157120003 is about 539.6064839919.

Adding to 157120003 its reverse (300021751), we get a palindrome (457141754).

The spelling of 157120003 in words is "one hundred fifty-seven million, one hundred twenty thousand, three".