1226140604 has 24 divisors (see below), whose sum is σ = 2432426640. Its totient is φ = 536125824.

The previous prime is 1226140583. The next prime is 1226140633. The reversal of 1226140604 is 4060416221.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619529 + ... + 621504.

It is an arithmetic number, because the mean of its divisors is an integer number (101351110).

Almost surely, 2^1226140604 is an apocalyptic number.

It is an amenable number.

1226140604 is a deficient number, since it is larger than the sum of its proper divisors (1206286036).

1226140604 is a wasteful number, since it uses less digits than its factorization.

1226140604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241069 (or 1241067 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1226140604 is about 35016.2905516847. The cubic root of 1226140604 is about 1070.3194678882.

Adding to 1226140604 its reverse (4060416221), we get a palindrome (5286556825).

The spelling of 1226140604 in words is "one billion, two hundred twenty-six million, one hundred forty thousand, six hundred four".