1154112442 has 16 divisors (see below), whose sum is σ = 1984357440. Its totient is φ = 493149888.

The previous prime is 1154112431. The next prime is 1154112457. The reversal of 1154112442 is 2442114511.

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, 117592 + ... + 127027.

It is an arithmetic number, because the mean of its divisors is an integer number (124022340).

Almost surely, 2^1154112442 is an apocalyptic number.

1154112442 is a deficient number, since it is larger than the sum of its proper divisors (830244998).

1154112442 is a wasteful number, since it uses less digits than its factorization.

1154112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244965.

The product of its digits is 1280, while the sum is 25.

The square root of 1154112442 is about 33972.2304537103. The cubic root of 1154112442 is about 1048.9369261692.

Adding to 1154112442 its reverse (2442114511), we get a palindrome (3596226953).

The spelling of 1154112442 in words is "one billion, one hundred fifty-four million, one hundred twelve thousand, four hundred forty-two".