157120603 has 2 divisors, whose sum is σ = 157120604. Its totient is φ = 157120602.

The previous prime is 157120597. The next prime is 157120627. The reversal of 157120603 is 306021751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157120603 - 2⁹ = 157120091 is a prime.

It is not a weakly prime, because it can be changed into another prime (157120643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78560301 + 78560302.

It is an arithmetic number, because the mean of its divisors is an integer number (78560302).

Almost surely, 2^157120603 is an apocalyptic number.

157120603 is a deficient number, since it is larger than the sum of its proper divisors (1).

157120603 is an equidigital number, since it uses as much as digits as its factorization.

157120603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 157120603 is about 12534.7757458999. The cubic root of 157120603 is about 539.6071708628.

The spelling of 157120603 in words is "one hundred fifty-seven million, one hundred twenty thousand, six hundred three".