126631002 has 16 divisors (see below), whose sum is σ = 253408320. Its totient is φ = 42185952.

The previous prime is 126630997. The next prime is 126631003. The reversal of 126631002 is 200136621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 126631002.

It is not an unprimeable number, because it can be changed into a prime (126631003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7483 + ... + 17585.

It is an arithmetic number, because the mean of its divisors is an integer number (15838020).

Almost surely, 2^126631002 is an apocalyptic number.

126631002 is an abundant number, since it is smaller than the sum of its proper divisors (126777318).

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

126631002 is a wasteful number, since it uses less digits than its factorization.

126631002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12197.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 126631002 is about 11253.0441214811. The cubic root of 126631002 is about 502.1652789319.

Adding to 126631002 its reverse (200136621), we get a palindrome (326767623).

The spelling of 126631002 in words is "one hundred twenty-six million, six hundred thirty-one thousand, two".