1126718775 has 288 divisors, whose sum is σ = 2744824320. Its totient is φ = 442091520.

The previous prime is 1126718771. The next prime is 1126718851. The reversal of 1126718775 is 5778176211.

It is not a de Polignac number, because 1126718775 - 2² = 1126718771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1126718775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126718771) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 13574884 + ... + 13574966.

It is an arithmetic number, because the mean of its divisors is an integer number (9530640).

Almost surely, 2^1126718775 is an apocalyptic number.

1126718775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1126718775 is an abundant number, since it is smaller than the sum of its proper divisors (1618105545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126718775 is a wasteful number, since it uses less digits than its factorization.

1126718775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 128 counting only the distinct ones).

The product of its digits is 164640, while the sum is 45.

The square root of 1126718775 is about 33566.6318685685. The cubic root of 1126718775 is about 1040.5713006946.

The spelling of 1126718775 in words is "one billion, one hundred twenty-six million, seven hundred eighteen thousand, seven hundred seventy-five".