1226615039 has 8 divisors (see below), whose sum is σ = 1322432832. Its totient is φ = 1131006240.

The previous prime is 1226615021. The next prime is 1226615051. The reversal of 1226615039 is 9305166221.

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

It is not a de Polignac number, because 1226615039 - 2¹² = 1226610943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226615069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39944 + ... + 63629.

It is an arithmetic number, because the mean of its divisors is an integer number (165304104).

Almost surely, 2^1226615039 is an apocalyptic number.

1226615039 is a deficient number, since it is larger than the sum of its proper divisors (95817793).

1226615039 is a wasteful number, since it uses less digits than its factorization.

1226615039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104497.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1226615039 is about 35023.0643862013. The cubic root of 1226615039 is about 1070.4574976092.

The spelling of 1226615039 in words is "one billion, two hundred twenty-six million, six hundred fifteen thousand, thirty-nine".