1125014420 has 24 divisors (see below), whose sum is σ = 2397794784. Its totient is φ = 443288736.

The previous prime is 1125014417. The next prime is 1125014437. The reversal of 1125014420 is 244105211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1125014392 and 1125014401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418442 + ... + 421121.

It is an arithmetic number, because the mean of its divisors is an integer number (99908116).

Almost surely, 2^1125014420 is an apocalyptic number.

1125014420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125014420 is an abundant number, since it is smaller than the sum of its proper divisors (1272780364).

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

1125014420 is a wasteful number, since it uses less digits than its factorization.

1125014420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839639 (or 839637 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1125014420 is about 33541.2346224763. The cubic root of 1125014420 is about 1040.0463551823.

Adding to 1125014420 its reverse (244105211), we get a palindrome (1369119631).

The spelling of 1125014420 in words is "one billion, one hundred twenty-five million, fourteen thousand, four hundred twenty".