1220754474 has 12 divisors (see below), whose sum is σ = 2644968066. Its totient is φ = 406918152.

The previous prime is 1220754473. The next prime is 1220754497. The reversal of 1220754474 is 4744570221.

1220754474 is a `hidden beast` number, since 1 + 2 + 207 + 5 + 447 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1086032025 + 134722449 = 32955^2 + 11607^2 .

It is not an unprimeable number, because it can be changed into a prime (1220754473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33909829 + ... + 33909864.

Almost surely, 2^1220754474 is an apocalyptic number.

1220754474 is an abundant number, since it is smaller than the sum of its proper divisors (1424213592).

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

1220754474 is a wasteful number, since it uses less digits than its factorization.

1220754474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67819701 (or 67819698 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 1220754474 is about 34939.2969877758. The cubic root of 1220754474 is about 1068.7499519442.

The spelling of 1220754474 in words is "one billion, two hundred twenty million, seven hundred fifty-four thousand, four hundred seventy-four".