126956293 has 4 divisors (see below), whose sum is σ = 128213388. Its totient is φ = 125699200.

The previous prime is 126956267. The next prime is 126956317. The reversal of 126956293 is 392659621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120494529 + 6461764 = 10977^2 + 2542^2 .

It is a cyclic number.

It is not a de Polignac number, because 126956293 - 2⁵ = 126956261 is a prime.

It is a super-2 number, since 2×126956293² = 32235800664603698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126956593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628396 + ... + 628597.

It is an arithmetic number, because the mean of its divisors is an integer number (32053347).

Almost surely, 2^126956293 is an apocalyptic number.

It is an amenable number.

126956293 is a deficient number, since it is larger than the sum of its proper divisors (1257095).

126956293 is a wasteful number, since it uses less digits than its factorization.

126956293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257094.

The product of its digits is 174960, while the sum is 43.

The square root of 126956293 is about 11267.4883181657. The cubic root of 126956293 is about 502.5949003539.

The spelling of 126956293 in words is "one hundred twenty-six million, nine hundred fifty-six thousand, two hundred ninety-three".