126402402045 has 32 divisors (see below), whose sum is σ = 203220864000. Its totient is φ = 67089153024.

The previous prime is 126402402043. The next prime is 126402402169. The reversal of 126402402045 is 540204204621.

It is not a de Polignac number, because 126402402045 - 2¹ = 126402402043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126402402043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14543061 + ... + 14551749.

It is an arithmetic number, because the mean of its divisors is an integer number (6350652000).

Almost surely, 2^126402402045 is an apocalyptic number.

126402402045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126402402045 is a deficient number, since it is larger than the sum of its proper divisors (76818461955).

126402402045 is a wasteful number, since it uses less digits than its factorization.

126402402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 126402402045 its reverse (540204204621), we get a palindrome (666606606666).

The spelling of 126402402045 in words is "one hundred twenty-six billion, four hundred two million, four hundred two thousand, forty-five".