1126379873 has 2 divisors, whose sum is σ = 1126379874. Its totient is φ = 1126379872.

The previous prime is 1126379791. The next prime is 1126379899. The reversal of 1126379873 is 3789736211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1063542544 + 62837329 = 32612^2 + 7927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126379873 - 2²⁶ = 1059271009 is a prime.

It is a super-2 number, since 2×1126379873² = 2537463236598992258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1126379473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563189936 + 563189937.

It is an arithmetic number, because the mean of its divisors is an integer number (563189937).

Almost surely, 2^1126379873 is an apocalyptic number.

It is an amenable number.

1126379873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126379873 is an equidigital number, since it uses as much as digits as its factorization.

1126379873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 1126379873 is about 33561.5832910189. The cubic root of 1126379873 is about 1040.4669602368.

The spelling of 1126379873 in words is "one billion, one hundred twenty-six million, three hundred seventy-nine thousand, eight hundred seventy-three".