1011562134 has 64 divisors (see below), whose sum is σ = 2280918528. Its totient is φ = 296441600.

The previous prime is 1011562117. The next prime is 1011562141. The reversal of 1011562134 is 4312651101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246322 + ... + 250394.

It is an arithmetic number, because the mean of its divisors is an integer number (35639352).

Almost surely, 2^1011562134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011562134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140459264).

1011562134 is an abundant number, since it is smaller than the sum of its proper divisors (1269356394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011562134 is a wasteful number, since it uses less digits than its factorization.

1011562134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1011562134 is about 31805.0645966959. The cubic root of 1011562134 is about 1003.8392856882.

The spelling of 1011562134 in words is "one billion, eleven million, five hundred sixty-two thousand, one hundred thirty-four".