1112025420 has 144 divisors (see below), whose sum is σ = 3896369568. Its totient is φ = 253716480.

The previous prime is 1112025401. The next prime is 1112025449. The reversal of 1112025420 is 245202111.

1112025420 is a `hidden beast` number, since 1 + 1 + 120 + 2 + 542 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112025393 and 1112025402.

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, 17142 + ... + 50178.

It is an arithmetic number, because the mean of its divisors is an integer number (27058122).

Almost surely, 2^1112025420 is an apocalyptic number.

1112025420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112025420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948184784).

1112025420 is an abundant number, since it is smaller than the sum of its proper divisors (2784344148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112025420 is a wasteful number, since it uses less digits than its factorization.

1112025420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33080 (or 33075 counting only the distinct ones).

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

The square root of 1112025420 is about 33347.0451464594. The cubic root of 1112025420 is about 1036.0281877912.

Adding to 1112025420 its reverse (245202111), we get a palindrome (1357227531).

The spelling of 1112025420 in words is "one billion, one hundred twelve million, twenty-five thousand, four hundred twenty".