126499420 has 12 divisors (see below), whose sum is σ = 265648824. Its totient is φ = 50599760.

The previous prime is 126499381. The next prime is 126499423. The reversal of 126499420 is 24994621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 126499420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126499423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162466 + ... + 3162505.

It is an arithmetic number, because the mean of its divisors is an integer number (22137402).

Almost surely, 2^126499420 is an apocalyptic number.

126499420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126499420 is an abundant number, since it is smaller than the sum of its proper divisors (139149404).

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

126499420 is a wasteful number, since it uses less digits than its factorization.

126499420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6324980 (or 6324978 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 126499420 is about 11247.1960950274. The cubic root of 126499420 is about 501.9912857013.

The spelling of 126499420 in words is "one hundred twenty-six million, four hundred ninety-nine thousand, four hundred twenty".