126630554 has 8 divisors (see below), whose sum is σ = 199943040. Its totient is φ = 59982876.

The previous prime is 126630551. The next prime is 126630583. The reversal of 126630554 is 455036621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 126630554.

It is not an unprimeable number, because it can be changed into a prime (126630551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666154 + ... + 1666229.

It is an arithmetic number, because the mean of its divisors is an integer number (24992880).

Almost surely, 2^126630554 is an apocalyptic number.

126630554 is a deficient number, since it is larger than the sum of its proper divisors (73312486).

126630554 is a wasteful number, since it uses less digits than its factorization.

126630554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332404.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 126630554 is about 11253.0242157386. The cubic root of 126630554 is about 502.1646867381.

The spelling of 126630554 in words is "one hundred twenty-six million, six hundred thirty thousand, five hundred fifty-four".