1220451054 has 16 divisors (see below), whose sum is σ = 2569370880. Its totient is φ = 385405560.

The previous prime is 1220451053. The next prime is 1220451083. The reversal of 1220451054 is 4501540221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220451053) 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, 5352742 + ... + 5352969.

It is an arithmetic number, because the mean of its divisors is an integer number (160585680).

Almost surely, 2^1220451054 is an apocalyptic number.

1220451054 is an abundant number, since it is smaller than the sum of its proper divisors (1348919826).

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

1220451054 is a wasteful number, since it uses less digits than its factorization.

1220451054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705735.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1220451054 is about 34934.9546156854. The cubic root of 1220451054 is about 1068.6613982430.

Adding to 1220451054 its reverse (4501540221), we get a palindrome (5721991275).

The spelling of 1220451054 in words is "one billion, two hundred twenty million, four hundred fifty-one thousand, fifty-four".