1151873 has 2 divisors, whose sum is σ = 1151874. Its totient is φ = 1151872.

The previous prime is 1151861. The next prime is 1151879. The reversal of 1151873 is 3781511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129969 + 21904 = 1063^2 + 148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151873 is a prime.

It is a super-2 number, since 2×1151873² = 2653622816258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1151879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575936 + 575937.

It is an arithmetic number, because the mean of its divisors is an integer number (575937).

2^1151873 is an apocalyptic number.

It is an amenable number.

1151873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151873 is an equidigital number, since it uses as much as digits as its factorization.

1151873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 26.

The square root of 1151873 is about 1073.2534649373. The cubic root of 1151873 is about 104.8258033796.

The spelling of 1151873 in words is "one million, one hundred fifty-one thousand, eight hundred seventy-three".