1012945834 has 16 divisors (see below), whose sum is σ = 1529176320. Its totient is φ = 503229600.

The previous prime is 1012945823. The next prime is 1012945847. The reversal of 1012945834 is 4385492101.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1012945793 and 1012945802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266157 + ... + 269935.

It is an arithmetic number, because the mean of its divisors is an integer number (95573520).

Almost surely, 2^1012945834 is an apocalyptic number.

1012945834 is a deficient number, since it is larger than the sum of its proper divisors (516230486).

1012945834 is a wasteful number, since it uses less digits than its factorization.

1012945834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1012945834 is about 31826.8099878074. The cubic root of 1012945834 is about 1004.2967891599.

The spelling of 1012945834 in words is "one billion, twelve million, nine hundred forty-five thousand, eight hundred thirty-four".