126897888 has 48 divisors (see below), whose sum is σ = 358734096. Its totient is φ = 39045120.

The previous prime is 126897887. The next prime is 126897899. The reversal of 126897888 is 888798621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×126897888² = 32206147957721088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126897887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49593 + ... + 52088.

It is an arithmetic number, because the mean of its divisors is an integer number (7473627).

Almost surely, 2^126897888 is an apocalyptic number.

It is an amenable number.

126897888 is an abundant number, since it is smaller than the sum of its proper divisors (231836208).

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

126897888 is a wasteful number, since it uses less digits than its factorization.

126897888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101707 (or 101699 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 57.

The square root of 126897888 is about 11264.8962711602. The cubic root of 126897888 is about 502.5178172440.

The spelling of 126897888 in words is "one hundred twenty-six million, eight hundred ninety-seven thousand, eight hundred eighty-eight".