1122100425 has 48 divisors (see below), whose sum is σ = 2150993280. Its totient is φ = 572425920.

The previous prime is 1122100417. The next prime is 1122100439. The reversal of 1122100425 is 5240012211.

It is not a de Polignac number, because 1122100425 - 2³ = 1122100417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122100398 and 1122100407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20614 + ... + 51663.

It is an arithmetic number, because the mean of its divisors is an integer number (44812360).

Almost surely, 2^1122100425 is an apocalyptic number.

1122100425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122100425 is a deficient number, since it is larger than the sum of its proper divisors (1028892855).

1122100425 is a wasteful number, since it uses less digits than its factorization.

1122100425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72319 (or 72308 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1122100425 is about 33497.7674629221. The cubic root of 1122100425 is about 1039.1476080852.

Adding to 1122100425 its reverse (5240012211), we get a palindrome (6362112636).

The spelling of 1122100425 in words is "one billion, one hundred twenty-two million, one hundred thousand, four hundred twenty-five".