1040211157 has 2 divisors, whose sum is σ = 1040211158. Its totient is φ = 1040211156.

The previous prime is 1040211149. The next prime is 1040211197. The reversal of 1040211157 is 7511120401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962612676 + 77598481 = 31026^2 + 8809^2 .

It is an emirp because it is prime and its reverse (7511120401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040211157 - 2³ = 1040211149 is a prime.

It is a super-2 number, since 2×1040211157² = 2164078502294557298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040211127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520105578 + 520105579.

It is an arithmetic number, because the mean of its divisors is an integer number (520105579).

Almost surely, 2^1040211157 is an apocalyptic number.

It is an amenable number.

1040211157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040211157 is an equidigital number, since it uses as much as digits as its factorization.

1040211157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1040211157 is about 32252.3046773405. The cubic root of 1040211157 is about 1013.2279683147.

Adding to 1040211157 its reverse (7511120401), we get a palindrome (8551331558).

The spelling of 1040211157 in words is "one billion, forty million, two hundred eleven thousand, one hundred fifty-seven".