157107103 has 2 divisors, whose sum is σ = 157107104. Its totient is φ = 157107102.

The previous prime is 157107091. The next prime is 157107109. The reversal of 157107103 is 301701751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157107103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157107109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78553551 + 78553552.

It is an arithmetic number, because the mean of its divisors is an integer number (78553552).

Almost surely, 2^157107103 is an apocalyptic number.

157107103 is a deficient number, since it is larger than the sum of its proper divisors (1).

157107103 is an equidigital number, since it uses as much as digits as its factorization.

157107103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 157107103 is about 12534.2372324765. The cubic root of 157107103 is about 539.5917158443.

Adding to 157107103 its reverse (301701751), we get a palindrome (458808854).

The spelling of 157107103 in words is "one hundred fifty-seven million, one hundred seven thousand, one hundred three".