1220317254 has 48 divisors (see below), whose sum is σ = 2850880032. Its totient is φ = 375024384.

The previous prime is 1220317243. The next prime is 1220317283. The reversal of 1220317254 is 4527130221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223582 + ... + 228974.

It is an arithmetic number, because the mean of its divisors is an integer number (59393334).

Almost surely, 2^1220317254 is an apocalyptic number.

1220317254 is an abundant number, since it is smaller than the sum of its proper divisors (1630562778).

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

1220317254 is a wasteful number, since it uses less digits than its factorization.

1220317254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6378 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1220317254 is about 34933.0395757369. The cubic root of 1220317254 is about 1068.6223437966.

Adding to 1220317254 its reverse (4527130221), we get a palindrome (5747447475).

The spelling of 1220317254 in words is "one billion, two hundred twenty million, three hundred seventeen thousand, two hundred fifty-four".