1122492378 has 16 divisors (see below), whose sum is σ = 2565696960. Its totient is φ = 320712096.

The previous prime is 1122492341. The next prime is 1122492379. The reversal of 1122492378 is 8732942211.

It is not an unprimeable number, because it can be changed into a prime (1122492379) 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, 13362963 + ... + 13363046.

It is an arithmetic number, because the mean of its divisors is an integer number (160356060).

Almost surely, 2^1122492378 is an apocalyptic number.

1122492378 is an abundant number, since it is smaller than the sum of its proper divisors (1443204582).

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

1122492378 is a wasteful number, since it uses less digits than its factorization.

1122492378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26726021.

The product of its digits is 48384, while the sum is 39.

The square root of 1122492378 is about 33503.6173867838. The cubic root of 1122492378 is about 1039.2685864454.

The spelling of 1122492378 in words is "one billion, one hundred twenty-two million, four hundred ninety-two thousand, three hundred seventy-eight".