126281004 has 48 divisors (see below), whose sum is σ = 301674240. Its totient is φ = 41101120.

The previous prime is 126280951. The next prime is 126281009. The reversal of 126281004 is 400182621.

It is not an unprimeable number, because it can be changed into a prime (126281009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121969 + ... + 122999.

It is an arithmetic number, because the mean of its divisors is an integer number (6284880).

Almost surely, 2^126281004 is an apocalyptic number.

It is an amenable number.

126281004 is an abundant number, since it is smaller than the sum of its proper divisors (175393236).

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

126281004 is a wasteful number, since it uses less digits than its factorization.

126281004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 126281004 is about 11237.4821023217. The cubic root of 126281004 is about 501.7022037619.

The spelling of 126281004 in words is "one hundred twenty-six million, two hundred eighty-one thousand, four".