126922755 has 32 divisors (see below), whose sum is σ = 214410240. Its totient is φ = 63936000.

The previous prime is 126922751. The next prime is 126922759. The reversal of 126922755 is 557229621.

It is a Cunningham number, because it is equal to 11266²-1.

It is an interprime number because it is at equal distance from previous prime (126922751) and next prime (126922759).

It is not a de Polignac number, because 126922755 - 2² = 126922751 is a prime.

It is a super-2 number, since 2×126922755² = 32218771473580050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126922751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168630 + ... + 169380.

It is an arithmetic number, because the mean of its divisors is an integer number (6700320).

Almost surely, 2^126922755 is an apocalyptic number.

126922755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126922755 is a deficient number, since it is larger than the sum of its proper divisors (87487485).

126922755 is a wasteful number, since it uses less digits than its factorization.

126922755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its digits is 75600, while the sum is 39.

The square root of 126922755 is about 11265.9999556187. Note that the first 4 decimals coincide. The cubic root of 126922755 is about 502.5506396826.

The spelling of 126922755 in words is "one hundred twenty-six million, nine hundred twenty-two thousand, seven hundred fifty-five".