1011142434 has 16 divisors (see below), whose sum is σ = 2036835360. Its totient is φ = 334622400.

The previous prime is 1011142397. The next prime is 1011142481. The reversal of 1011142434 is 4342411101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011142434.

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, 605367 + ... + 607034.

It is an arithmetic number, because the mean of its divisors is an integer number (127302210).

Almost surely, 2^1011142434 is an apocalyptic number.

1011142434 is an abundant number, since it is smaller than the sum of its proper divisors (1025692926).

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

1011142434 is a wasteful number, since it uses less digits than its factorization.

1011142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212545.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1011142434 is about 31798.4659063924. The cubic root of 1011142434 is about 1003.7004345604.

Adding to 1011142434 its reverse (4342411101), we get a palindrome (5353553535).

The spelling of 1011142434 in words is "one billion, eleven million, one hundred forty-two thousand, four hundred thirty-four".