126382349261 has 16 divisors (see below), whose sum is σ = 144898346880. Its totient is φ = 107981894400.

The previous prime is 126382349239. The next prime is 126382349279. The reversal of 126382349261 is 162943283621.

It is a cyclic number.

It is not a de Polignac number, because 126382349261 - 2¹⁴ = 126382332877 is a prime.

It is a super-2 number, since 2×126382349261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126382349221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10703561 + ... + 10715361.

It is an arithmetic number, because the mean of its divisors is an integer number (9056146680).

Almost surely, 2^126382349261 is an apocalyptic number.

It is an amenable number.

126382349261 is a deficient number, since it is larger than the sum of its proper divisors (18515997619).

126382349261 is a wasteful number, since it uses less digits than its factorization.

126382349261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564.

The product of its digits is 746496, while the sum is 47.

The spelling of 126382349261 in words is "one hundred twenty-six billion, three hundred eighty-two million, three hundred forty-nine thousand, two hundred sixty-one".