126630434 has 16 divisors (see below), whose sum is σ = 219112128. Its totient is φ = 53762352.

The previous prime is 126630419. The next prime is 126630437. The reversal of 126630434 is 434036621.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126630397 and 126630406.

It is not an unprimeable number, because it can be changed into a prime (126630437) 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, 40769 + ... + 43764.

It is an arithmetic number, because the mean of its divisors is an integer number (13694508).

Almost surely, 2^126630434 is an apocalyptic number.

126630434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126630434 is a deficient number, since it is larger than the sum of its proper divisors (92481694).

126630434 is a wasteful number, since it uses less digits than its factorization.

126630434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84649.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 126630434 is about 11253.0188838374. The cubic root of 126630434 is about 502.1645281145.

The spelling of 126630434 in words is "one hundred twenty-six million, six hundred thirty thousand, four hundred thirty-four".