1220734130 has 64 divisors (see below), whose sum is σ = 2900696832. Its totient is φ = 358103040.

The previous prime is 1220734129. The next prime is 1220734153. The reversal of 1220734130 is 314370221.

It is a super-2 number, since 2×1220734130² = 2980383632293713800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220734096 and 1220734105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33539 + ... + 59718.

It is an arithmetic number, because the mean of its divisors is an integer number (45323388).

Almost surely, 2^1220734130 is an apocalyptic number.

1220734130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220734130 is an abundant number, since it is smaller than the sum of its proper divisors (1679962702).

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

1220734130 is a wasteful number, since it uses less digits than its factorization.

1220734130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93299.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1220734130 is about 34939.0058530577. The cubic root of 1220734130 is about 1068.7440149683.

The spelling of 1220734130 in words is "one billion, two hundred twenty million, seven hundred thirty-four thousand, one hundred thirty".