1101455042 has 12 divisors (see below), whose sum is σ = 1743717366. Its totient is φ = 521741520.

The previous prime is 1101455029. The next prime is 1101455057. The reversal of 1101455042 is 2405541011.

It can be written as a sum of positive squares in only one way, i.e., 913792441 + 187662601 = 30229^2 + 13699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101454999 and 1101455017.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 762059 + ... + 763502.

Almost surely, 2^1101455042 is an apocalyptic number.

1101455042 is a deficient number, since it is larger than the sum of its proper divisors (642262324).

1101455042 is a wasteful number, since it uses less digits than its factorization.

1101455042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525601 (or 1525582 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1101455042 is about 33188.1762379315. The cubic root of 1101455042 is about 1032.7350697414.

Adding to 1101455042 its reverse (2405541011), we get a palindrome (3506996053).

The spelling of 1101455042 in words is "one billion, one hundred one million, four hundred fifty-five thousand, forty-two".