1126791455 has 4 divisors (see below), whose sum is σ = 1352149752. Its totient is φ = 901433160.

The previous prime is 1126791443. The next prime is 1126791473. The reversal of 1126791455 is 5541976211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5541976211 = 347 ⋅15971113.

It is not a de Polignac number, because 1126791455 - 2²⁰ = 1125742879 is a prime.

It is a super-2 number, since 2×1126791455² = 2539317966122034050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112679141 + ... + 112679150.

It is an arithmetic number, because the mean of its divisors is an integer number (338037438).

Almost surely, 2^1126791455 is an apocalyptic number.

1126791455 is a deficient number, since it is larger than the sum of its proper divisors (225358297).

1126791455 is an equidigital number, since it uses as much as digits as its factorization.

1126791455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225358296.

The product of its digits is 75600, while the sum is 41.

The square root of 1126791455 is about 33567.7144738810. The cubic root of 1126791455 is about 1040.5936745403.

The spelling of 1126791455 in words is "one billion, one hundred twenty-six million, seven hundred ninety-one thousand, four hundred fifty-five".