1220254610 has 8 divisors (see below), whose sum is σ = 2196458316. Its totient is φ = 488101840.

The previous prime is 1220254573. The next prime is 1220254621. The reversal of 1220254610 is 164520221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1210970401 + 9284209 = 34799^2 + 3047^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61012721 + ... + 61012740.

Almost surely, 2^1220254610 is an apocalyptic number.

1220254610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220254610 is a deficient number, since it is larger than the sum of its proper divisors (976203706).

1220254610 is a wasteful number, since it uses less digits than its factorization.

1220254610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122025468.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1220254610 is about 34932.1429345524. The cubic root of 1220254610 is about 1068.6040578622.

Adding to 1220254610 its reverse (164520221), we get a palindrome (1384774831).

The spelling of 1220254610 in words is "one billion, two hundred twenty million, two hundred fifty-four thousand, six hundred ten".