1042461191 has 2 divisors, whose sum is σ = 1042461192. Its totient is φ = 1042461190.

The previous prime is 1042461143. The next prime is 1042461209. The reversal of 1042461191 is 1911642401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042461191 is a prime.

It is a super-2 number, since 2×1042461191² = 2173450669482276962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042461691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521230595 + 521230596.

It is an arithmetic number, because the mean of its divisors is an integer number (521230596).

Almost surely, 2^1042461191 is an apocalyptic number.

1042461191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042461191 is an equidigital number, since it uses as much as digits as its factorization.

1042461191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1042461191 is about 32287.1675902362. The cubic root of 1042461191 is about 1013.9579981617.

The spelling of 1042461191 in words is "one billion, forty-two million, four hundred sixty-one thousand, one hundred ninety-one".