126920313 has 24 divisors (see below), whose sum is σ = 197870400. Its totient is φ = 77931360.

The previous prime is 126920309. The next prime is 126920347. The reversal of 126920313 is 313029621.

It is not a de Polignac number, because 126920313 - 2² = 126920309 is a prime.

It is a super-2 number, since 2×126920313² = 32217531704035938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126920393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69178 + ... + 70988.

It is an arithmetic number, because the mean of its divisors is an integer number (8244600).

Almost surely, 2^126920313 is an apocalyptic number.

126920313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

126920313 is a deficient number, since it is larger than the sum of its proper divisors (70950087).

126920313 is a wasteful number, since it uses less digits than its factorization.

126920313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 126920313 is about 11265.8915759029. The cubic root of 126920313 is about 502.5474166290.

Adding to 126920313 its reverse (313029621), we get a palindrome (439949934).

The spelling of 126920313 in words is "one hundred twenty-six million, nine hundred twenty thousand, three hundred thirteen".