1220633051 has 8 divisors (see below), whose sum is σ = 1336516608. Its totient is φ = 1105569000.

The previous prime is 1220633033. The next prime is 1220633083. The reversal of 1220633051 is 1503360221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220633051 - 2¹⁰ = 1220632027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220633021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201755 + ... + 207716.

It is an arithmetic number, because the mean of its divisors is an integer number (167064576).

Almost surely, 2^1220633051 is an apocalyptic number.

1220633051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220633051 is a deficient number, since it is larger than the sum of its proper divisors (115883557).

1220633051 is a wasteful number, since it uses less digits than its factorization.

1220633051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409753.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1220633051 is about 34937.5593165865. The cubic root of 1220633051 is about 1068.7145161731.

Adding to 1220633051 its reverse (1503360221), we get a palindrome (2723993272).

The spelling of 1220633051 in words is "one billion, two hundred twenty million, six hundred thirty-three thousand, fifty-one".