1250056220 has 48 divisors (see below), whose sum is σ = 3003184128. Its totient is φ = 428155200.

The previous prime is 1250056193. The next prime is 1250056229. The reversal of 1250056220 is 226500521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250056229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153245 + ... + 161195.

It is an arithmetic number, because the mean of its divisors is an integer number (62566336).

Almost surely, 2^1250056220 is an apocalyptic number.

1250056220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250056220 is an abundant number, since it is smaller than the sum of its proper divisors (1753127908).

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

1250056220 is a wasteful number, since it uses less digits than its factorization.

1250056220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090 (or 9088 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1250056220 is about 35356.1341212526. The cubic root of 1250056220 is about 1077.2334944163.

Adding to 1250056220 its reverse (226500521), we get a palindrome (1476556741).

The spelling of 1250056220 in words is "one billion, two hundred fifty million, fifty-six thousand, two hundred twenty".