126894388 has 18 divisors (see below), whose sum is σ = 234370626. Its totient is φ = 60107184.

The previous prime is 126894379. The next prime is 126894413. The reversal of 126894388 is 883498621.

It can be written as a sum of positive squares in only one way, i.e., 120604324 + 6290064 = 10982^2 + 2508^2 .

It is a super-2 number, since 2×126894388² = 32204371411789088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42495 + ... + 45382.

Almost surely, 2^126894388 is an apocalyptic number.

It is an amenable number.

126894388 is a deficient number, since it is larger than the sum of its proper divisors (107476238).

126894388 is a wasteful number, since it uses less digits than its factorization.

126894388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87919 (or 87898 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 126894388 is about 11264.7409202343. The cubic root of 126894388 is about 502.5131971815.

The spelling of 126894388 in words is "one hundred twenty-six million, eight hundred ninety-four thousand, three hundred eighty-eight".