1220486270 has 32 divisors (see below), whose sum is σ = 2357991648. Its totient is φ = 453178368.

The previous prime is 1220486263. The next prime is 1220486339. The reversal of 1220486270 is 726840221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36764 + ... + 61583.

It is an arithmetic number, because the mean of its divisors is an integer number (73687239).

Almost surely, 2^1220486270 is an apocalyptic number.

1220486270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220486270 is a deficient number, since it is larger than the sum of its proper divisors (1137505378).

1220486270 is a wasteful number, since it uses less digits than its factorization.

1220486270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98444.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1220486270 is about 34935.4586344591. The cubic root of 1220486270 is about 1068.6716768520.

The spelling of 1220486270 in words is "one billion, two hundred twenty million, four hundred eighty-six thousand, two hundred seventy".