1010255157 has 12 divisors (see below), whose sum is σ = 1461693324. Its totient is φ = 672379200.

The previous prime is 1010255153. The next prime is 1010255179. The reversal of 1010255157 is 7515520101.

1010255157 is a `hidden beast` number, since 1 + 0 + 102 + 551 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 326380356 + 683874801 = 18066^2 + 26151^2 .

It is not a de Polignac number, because 1010255157 - 2² = 1010255153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010255157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010255153) 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, 87978 + ... + 98795.

It is an arithmetic number, because the mean of its divisors is an integer number (121807777).

Almost surely, 2^1010255157 is an apocalyptic number.

It is an amenable number.

1010255157 is a deficient number, since it is larger than the sum of its proper divisors (451438167).

1010255157 is a wasteful number, since it uses less digits than its factorization.

1010255157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187380 (or 187377 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 1010255157 is about 31784.5112751478. The cubic root of 1010255157 is about 1003.4067664295.

Adding to 1010255157 its reverse (7515520101), we get a palindrome (8525775258).

The spelling of 1010255157 in words is "one billion, ten million, two hundred fifty-five thousand, one hundred fifty-seven".