1012606157 has 2 divisors, whose sum is σ = 1012606158. Its totient is φ = 1012606156.

The previous prime is 1012606061. The next prime is 1012606193. The reversal of 1012606157 is 7516062101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 856206121 + 156400036 = 29261^2 + 12506^2 .

It is an emirp because it is prime and its reverse (7516062101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012606157 - 2¹² = 1012602061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012606057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506303078 + 506303079.

It is an arithmetic number, because the mean of its divisors is an integer number (506303079).

Almost surely, 2^1012606157 is an apocalyptic number.

It is an amenable number.

1012606157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012606157 is an equidigital number, since it uses as much as digits as its factorization.

1012606157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1012606157 is about 31821.4732059972. The cubic root of 1012606157 is about 1004.1845177209.

Adding to 1012606157 its reverse (7516062101), we get a palindrome (8528668258).

The spelling of 1012606157 in words is "one billion, twelve million, six hundred six thousand, one hundred fifty-seven".