1226361099 has 32 divisors (see below), whose sum is σ = 1754138880. Its totient is φ = 759825792.

The previous prime is 1226361053. The next prime is 1226361119. The reversal of 1226361099 is 9901636221.

It is not a de Polignac number, because 1226361099 - 2¹¹ = 1226359051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226360099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1210117 + ... + 1211129.

It is an arithmetic number, because the mean of its divisors is an integer number (54816840).

Almost surely, 2^1226361099 is an apocalyptic number.

1226361099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1226361099 is a deficient number, since it is larger than the sum of its proper divisors (527777781).

1226361099 is a wasteful number, since it uses less digits than its factorization.

1226361099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1226361099 is about 35019.4388732886. The cubic root of 1226361099 is about 1070.3836220168.

The spelling of 1226361099 in words is "one billion, two hundred twenty-six million, three hundred sixty-one thousand, ninety-nine".