126020253601 has 8 divisors (see below), whose sum is σ = 141911371008. Its totient is φ = 110868258000.

The previous prime is 126020253571. The next prime is 126020253607. The reversal of 126020253601 is 106352020621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126020253601 - 2²¹ = 126018156449 is a prime.

It is a super-2 number, since 2×126020253601² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126020253601.

It is not an unprimeable number, because it can be changed into a prime (126020253607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184780090 + ... + 184780771.

It is an arithmetic number, because the mean of its divisors is an integer number (17738921376).

Almost surely, 2^126020253601 is an apocalyptic number.

126020253601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126020253601 is a deficient number, since it is larger than the sum of its proper divisors (15891117407).

126020253601 is a wasteful number, since it uses less digits than its factorization.

126020253601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369560903.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 126020253601 in words is "one hundred twenty-six billion, twenty million, two hundred fifty-three thousand, six hundred one".