1250643134 has 32 divisors (see below), whose sum is σ = 2042046720. Its totient is φ = 571030272.

The previous prime is 1250643113. The next prime is 1250643143. The reversal of 1250643134 is 4313460521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1250643097 and 1250643106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705832 + ... + 1706564.

It is an arithmetic number, because the mean of its divisors is an integer number (63813960).

Almost surely, 2^1250643134 is an apocalyptic number.

1250643134 is a deficient number, since it is larger than the sum of its proper divisors (791403586).

1250643134 is a wasteful number, since it uses less digits than its factorization.

1250643134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1250643134 is about 35364.4331779826. The cubic root of 1250643134 is about 1077.4020587007.

The spelling of 1250643134 in words is "one billion, two hundred fifty million, six hundred forty-three thousand, one hundred thirty-four".