42126992 has 10 divisors (see below), whose sum is σ = 81621078. Its totient is φ = 21063488.

The previous prime is 42126949. The next prime is 42127013. The reversal of 42126992 is 29962124.

It can be written as a sum of positive squares in only one way, i.e., 38142976 + 3984016 = 6176^2 + 1996^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1316453 + ... + 1316484.

Almost surely, 2^42126992 is an apocalyptic number.

It is an amenable number.

42126992 is a deficient number, since it is larger than the sum of its proper divisors (39494086).

42126992 is a wasteful number, since it uses less digits than its factorization.

42126992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632945 (or 2632939 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 42126992 is about 6490.5309490056. The cubic root of 42126992 is about 347.9526513288.

The spelling of 42126992 in words is "forty-two million, one hundred twenty-six thousand, nine hundred ninety-two".