1220321134 has 8 divisors (see below), whose sum is σ = 1848253680. Its totient is φ = 604236576.

The previous prime is 1220321101. The next prime is 1220321177. The reversal of 1220321134 is 4311230221.

It is a happy number.

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

It is a congruent number.

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, 2961739 + ... + 2962150.

It is an arithmetic number, because the mean of its divisors is an integer number (231031710).

Almost surely, 2^1220321134 is an apocalyptic number.

1220321134 is a deficient number, since it is larger than the sum of its proper divisors (627932546).

1220321134 is a wasteful number, since it uses less digits than its factorization.

1220321134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923994.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1220321134 is about 34933.0951105109. The cubic root of 1220321134 is about 1068.6234763574.

Adding to 1220321134 its reverse (4311230221), we get a palindrome (5531551355).

The spelling of 1220321134 in words is "one billion, two hundred twenty million, three hundred twenty-one thousand, one hundred thirty-four".