126101613402 has 80 divisors (see below), whose sum is σ = 287464427712. Its totient is φ = 41308263360.

The previous prime is 126101613377. The next prime is 126101613503. The reversal of 126101613402 is 204316101621.

It is a happy number.

126101613402 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 0 + 1 + 613 + 40 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3582613 + ... + 3617639.

Almost surely, 2^126101613402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126101613402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143732213856).

126101613402 is an abundant number, since it is smaller than the sum of its proper divisors (161362814310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126101613402 is a wasteful number, since it uses less digits than its factorization.

126101613402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35425 (or 35416 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 126101613402 in words is "one hundred twenty-six billion, one hundred one million, six hundred thirteen thousand, four hundred two".