1220431034 has 8 divisors (see below), whose sum is σ = 1838306880. Its totient is φ = 607662076.

The previous prime is 1220431021. The next prime is 1220431039. The reversal of 1220431034 is 4301340221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220430997 and 1220431015.

It is not an unprimeable number, because it can be changed into a prime (1220431039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276124 + ... + 1277079.

It is an arithmetic number, because the mean of its divisors is an integer number (229788360).

Almost surely, 2^1220431034 is an apocalyptic number.

1220431034 is a deficient number, since it is larger than the sum of its proper divisors (617875846).

1220431034 is a wasteful number, since it uses less digits than its factorization.

1220431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553444.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1220431034 is about 34934.6680820070. The cubic root of 1220431034 is about 1068.6555548519.

Adding to 1220431034 its reverse (4301340221), we get a palindrome (5521771255).

The spelling of 1220431034 in words is "one billion, two hundred twenty million, four hundred thirty-one thousand, thirty-four".