126384872 has 8 divisors (see below), whose sum is σ = 236971650. Its totient is φ = 63192432.

The previous prime is 126384857. The next prime is 126384887. The reversal of 126384872 is 278483621.

It is an interprime number because it is at equal distance from previous prime (126384857) and next prime (126384887).

It can be written as a sum of positive squares in only one way, i.e., 83429956 + 42954916 = 9134^2 + 6554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7899047 + ... + 7899062.

Almost surely, 2^126384872 is an apocalyptic number.

It is an amenable number.

126384872 is a deficient number, since it is larger than the sum of its proper divisors (110586778).

126384872 is a wasteful number, since it uses less digits than its factorization.

126384872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798115 (or 15798111 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 126384872 is about 11242.1026503052. The cubic root of 126384872 is about 501.8397185690.

The spelling of 126384872 in words is "one hundred twenty-six million, three hundred eighty-four thousand, eight hundred seventy-two".