1125564342 has 16 divisors (see below), whose sum is σ = 2572718592. Its totient is φ = 321589800.

The previous prime is 1125564329. The next prime is 1125564343. The reversal of 1125564342 is 2434655211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125564343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13399534 + ... + 13399617.

It is an arithmetic number, because the mean of its divisors is an integer number (160794912).

Almost surely, 2^1125564342 is an apocalyptic number.

1125564342 is an abundant number, since it is smaller than the sum of its proper divisors (1447154250).

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

1125564342 is a wasteful number, since it uses less digits than its factorization.

1125564342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26799163.

The product of its digits is 28800, while the sum is 33.

The square root of 1125564342 is about 33549.4313215589. The cubic root of 1125564342 is about 1040.2157904048.

The spelling of 1125564342 in words is "one billion, one hundred twenty-five million, five hundred sixty-four thousand, three hundred forty-two".