126229998 has 24 divisors (see below), whose sum is σ = 268187832. Its totient is φ = 39601024.

The previous prime is 126229993. The next prime is 126230009. The reversal of 126229998 is 899922621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126229993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34665 + ... + 38132.

It is an arithmetic number, because the mean of its divisors is an integer number (11174493).

Almost surely, 2^126229998 is an apocalyptic number.

126229998 is an abundant number, since it is smaller than the sum of its proper divisors (141957834).

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

126229998 is a wasteful number, since it uses less digits than its factorization.

126229998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72836 (or 72819 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 126229998 is about 11235.2124145474. The cubic root of 126229998 is about 501.6346473655.

The spelling of 126229998 in words is "one hundred twenty-six million, two hundred twenty-nine thousand, nine hundred ninety-eight".