1051234157 has 2 divisors, whose sum is σ = 1051234158. Its totient is φ = 1051234156.

The previous prime is 1051234153. The next prime is 1051234169. The reversal of 1051234157 is 7514321501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600691081 + 450543076 = 24509^2 + 21226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051234157 - 2² = 1051234153 is a prime.

It is a super-2 number, since 2×1051234157² = 2210186505687001298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051234153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525617078 + 525617079.

It is an arithmetic number, because the mean of its divisors is an integer number (525617079).

Almost surely, 2^1051234157 is an apocalyptic number.

It is an amenable number.

1051234157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051234157 is an equidigital number, since it uses as much as digits as its factorization.

1051234157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1051234157 is about 32422.7413554129. The cubic root of 1051234157 is about 1016.7944207937.

Adding to 1051234157 its reverse (7514321501), we get a palindrome (8565555658).

The spelling of 1051234157 in words is "one billion, fifty-one million, two hundred thirty-four thousand, one hundred fifty-seven".