1137091 has 2 divisors, whose sum is σ = 1137092. Its totient is φ = 1137090.

The previous prime is 1137067. The next prime is 1137109. The reversal of 1137091 is 1907311.

Together with next prime (1137109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1137091 - 2⁹ = 1136579 is a prime.

1137091 is a lucky number.

It is equal to p₈₈₄₀₂ and since 1137091 and 88402 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1137001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568545 + 568546.

It is an arithmetic number, because the mean of its divisors is an integer number (568546).

2^1137091 is an apocalyptic number.

1137091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137091 is an equidigital number, since it uses as much as digits as its factorization.

1137091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1137091 is about 1066.3446909888. The cubic root of 1137091 is about 104.3754611714.

The spelling of 1137091 in words is "one million, one hundred thirty-seven thousand, ninety-one".