1056742187 has 2 divisors, whose sum is σ = 1056742188. Its totient is φ = 1056742186.

The previous prime is 1056742111. The next prime is 1056742231. The reversal of 1056742187 is 7812476501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056742187 - 2¹⁰ = 1056741163 is a prime.

It is a super-2 number, since 2×1056742187² = 2233408099571085938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056742387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528371093 + 528371094.

It is an arithmetic number, because the mean of its divisors is an integer number (528371094).

Almost surely, 2^1056742187 is an apocalyptic number.

1056742187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056742187 is an equidigital number, since it uses as much as digits as its factorization.

1056742187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1056742187 is about 32507.5712257929. The cubic root of 1056742187 is about 1018.5671882340.

The spelling of 1056742187 in words is "one billion, fifty-six million, seven hundred forty-two thousand, one hundred eighty-seven".