1220401310 has 8 divisors (see below), whose sum is σ = 2196722376. Its totient is φ = 488160520.

The previous prime is 1220401309. The next prime is 1220401313. The reversal of 1220401310 is 131040221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1220401310² = 2978758714899432200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220401313) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61020056 + ... + 61020075.

It is an arithmetic number, because the mean of its divisors is an integer number (274590297).

Almost surely, 2^1220401310 is an apocalyptic number.

1220401310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220401310 is a deficient number, since it is larger than the sum of its proper divisors (976321066).

1220401310 is a wasteful number, since it uses less digits than its factorization.

1220401310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122040138.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1220401310 is about 34934.2426567401. The cubic root of 1220401310 is about 1068.6468789621.

Adding to 1220401310 its reverse (131040221), we get a palindrome (1351441531).

The spelling of 1220401310 in words is "one billion, two hundred twenty million, four hundred one thousand, three hundred ten".