1113554042 has 4 divisors (see below), whose sum is σ = 1670331066. Its totient is φ = 556777020.

The previous prime is 1113554017. The next prime is 1113554047. The reversal of 1113554042 is 2404553111.

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

It can be written as a sum of positive squares in only one way, i.e., 1106161081 + 7392961 = 33259^2 + 2719^2 .

It is not an unprimeable number, because it can be changed into a prime (1113554047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278388509 + ... + 278388512.

Almost surely, 2^1113554042 is an apocalyptic number.

1113554042 is a deficient number, since it is larger than the sum of its proper divisors (556777024).

1113554042 is an equidigital number, since it uses as much as digits as its factorization.

1113554042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556777023.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1113554042 is about 33369.9571770777. The cubic root of 1113554042 is about 1036.5026884459.

The spelling of 1113554042 in words is "one billion, one hundred thirteen million, five hundred fifty-four thousand, forty-two".