1220734675 has 12 divisors (see below), whose sum is σ = 1514307096. Its totient is φ = 976203200.

The previous prime is 1220734639. The next prime is 1220734681. The reversal of 1220734675 is 5764370221.

It is a happy number.

It is not a de Polignac number, because 1220734675 - 2¹³ = 1220726483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67167 + ... + 83383.

It is an arithmetic number, because the mean of its divisors is an integer number (126192258).

Almost surely, 2^1220734675 is an apocalyptic number.

1220734675 is a deficient number, since it is larger than the sum of its proper divisors (293572421).

1220734675 is a wasteful number, since it uses less digits than its factorization.

1220734675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19238 (or 19233 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1220734675 is about 34939.0136523629. The cubic root of 1220734675 is about 1068.7441740161.

The spelling of 1220734675 in words is "one billion, two hundred twenty million, seven hundred thirty-four thousand, six hundred seventy-five".