1220054125 has 32 divisors (see below), whose sum is σ = 1618081920. Its totient is φ = 915840000.

The previous prime is 1220054123. The next prime is 1220054149. The reversal of 1220054125 is 5214500221.

It is not a de Polignac number, because 1220054125 - 2¹ = 1220054123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220054096 and 1220054105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220054123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251725 + ... + 256525.

It is an arithmetic number, because the mean of its divisors is an integer number (50565060).

Almost surely, 2^1220054125 is an apocalyptic number.

It is an amenable number.

1220054125 is a deficient number, since it is larger than the sum of its proper divisors (398027795).

1220054125 is a wasteful number, since it uses less digits than its factorization.

1220054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1220054125 is about 34929.2731816738. The cubic root of 1220054125 is about 1068.5455316014.

Adding to 1220054125 its reverse (5214500221), we get a palindrome (6434554346).

The spelling of 1220054125 in words is "one billion, two hundred twenty million, fifty-four thousand, one hundred twenty-five".