1310157 has 12 divisors (see below), whose sum is σ = 1907100. Its totient is φ = 866688.

The previous prime is 1310147. The next prime is 1310171. The reversal of 1310157 is 7510131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 715716 + 594441 = 846^2 + 771^2 .

It is not a de Polignac number, because 1310157 - 2⁶ = 1310093 is a prime.

It is a super-2 number, since 2×1310157² = 3433022729298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 853 + ... + 1829.

It is an arithmetic number, because the mean of its divisors is an integer number (158925).

2^1310157 is an apocalyptic number.

It is an amenable number.

1310157 is a deficient number, since it is larger than the sum of its proper divisors (596943).

1310157 is a wasteful number, since it uses less digits than its factorization.

1310157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 1310157 is about 1144.6208979396. The cubic root of 1310157 is about 109.4227891301.

Adding to 1310157 its reverse (7510131), we get a palindrome (8820288).

The spelling of 1310157 in words is "one million, three hundred ten thousand, one hundred fifty-seven".