126442984 has 8 divisors (see below), whose sum is σ = 237080610. Its totient is φ = 63221488.

The previous prime is 126442973. The next prime is 126442999. The reversal of 126442984 is 489244621.

It can be written as a sum of positive squares in only one way, i.e., 112826884 + 13616100 = 10622^2 + 3690^2 .

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

It is a super-3 number, since 3×126442984³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7902679 + ... + 7902694.

Almost surely, 2^126442984 is an apocalyptic number.

It is an amenable number.

126442984 is a deficient number, since it is larger than the sum of its proper divisors (110637626).

126442984 is a wasteful number, since it uses less digits than its factorization.

126442984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805379 (or 15805375 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 126442984 is about 11244.6869231651. The cubic root of 126442984 is about 501.9166223964.

The spelling of 126442984 in words is "one hundred twenty-six million, four hundred forty-two thousand, nine hundred eighty-four".