1100042425 has 12 divisors (see below), whose sum is σ = 1364818896. Its totient is φ = 879539600.

The previous prime is 1100042417. The next prime is 1100042453. The reversal of 1100042425 is 5242400011.

It is not a de Polignac number, because 1100042425 - 2³ = 1100042417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36882 + ... + 59668.

It is an arithmetic number, because the mean of its divisors is an integer number (113734908).

Almost surely, 2^1100042425 is an apocalyptic number.

It is an amenable number.

1100042425 is a deficient number, since it is larger than the sum of its proper divisors (264776471).

1100042425 is a wasteful number, since it uses less digits than its factorization.

1100042425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24728 (or 24723 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1100042425 is about 33166.8874783269. The cubic root of 1100042425 is about 1032.2933863415.

Adding to 1100042425 its reverse (5242400011), we get a palindrome (6342442436).

The spelling of 1100042425 in words is "one billion, one hundred million, forty-two thousand, four hundred twenty-five".