126451237660 has 48 divisors (see below), whose sum is σ = 289785767040. Its totient is φ = 45966795840.

The previous prime is 126451237603. The next prime is 126451237663. The reversal of 126451237660 is 66732154621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126451237663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568987 + ... + 759373.

It is an arithmetic number, because the mean of its divisors is an integer number (6037203480).

Almost surely, 2^126451237660 is an apocalyptic number.

126451237660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126451237660 is an abundant number, since it is smaller than the sum of its proper divisors (163334529380).

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

126451237660 is a wasteful number, since it uses less digits than its factorization.

126451237660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193426 (or 193424 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 126451237660 in words is "one hundred twenty-six billion, four hundred fifty-one million, two hundred thirty-seven thousand, six hundred sixty".