1030157 has 2 divisors, whose sum is σ = 1030158. Its totient is φ = 1030156.

The previous prime is 1030153. The next prime is 1030181. The reversal of 1030157 is 7510301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538756 + 491401 = 734^2 + 701^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030157 - 2² = 1030153 is a prime.

It is a super-2 number, since 2×1030157² = 2122446889298, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515078 + 515079.

It is an arithmetic number, because the mean of its divisors is an integer number (515079).

2^1030157 is an apocalyptic number.

It is an amenable number.

1030157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030157 is an equidigital number, since it uses as much as digits as its factorization.

1030157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 1030157 is about 1014.9665019103. The cubic root of 1030157 is about 100.9952943597.

Adding to 1030157 its reverse (7510301), we get a palindrome (8540458).

The spelling of 1030157 in words is "one million, thirty thousand, one hundred fifty-seven".