1118290534 has 4 divisors (see below), whose sum is σ = 1677435804. Its totient is φ = 559145266.

The previous prime is 1118290531. The next prime is 1118290561. The reversal of 1118290534 is 4350928111.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1118290534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118290531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279572632 + ... + 279572635.

It is an arithmetic number, because the mean of its divisors is an integer number (419358951).

Almost surely, 2^1118290534 is an apocalyptic number.

1118290534 is a deficient number, since it is larger than the sum of its proper divisors (559145270).

1118290534 is an equidigital number, since it uses as much as digits as its factorization.

1118290534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559145269.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1118290534 is about 33440.8512750498. The cubic root of 1118290534 is about 1037.9701946563.

The spelling of 1118290534 in words is "one billion, one hundred eighteen million, two hundred ninety thousand, five hundred thirty-four".