1012009345 has 16 divisors (see below), whose sum is σ = 1223735040. Its totient is φ = 803410624.

The previous prime is 1012009321. The next prime is 1012009367. The reversal of 1012009345 is 5439002101.

It is a cyclic number.

It is not a de Polignac number, because 1012009345 - 2²¹ = 1009912193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766596 + ... + 767914.

It is an arithmetic number, because the mean of its divisors is an integer number (76483440).

Almost surely, 2^1012009345 is an apocalyptic number.

It is an amenable number.

1012009345 is a deficient number, since it is larger than the sum of its proper divisors (211725695).

1012009345 is a wasteful number, since it uses less digits than its factorization.

1012009345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1012009345 is about 31812.0943196137. The cubic root of 1012009345 is about 1003.9871961378.

The spelling of 1012009345 in words is "one billion, twelve million, nine thousand, three hundred forty-five".