1226015260 has 12 divisors (see below), whose sum is σ = 2574632088. Its totient is φ = 490406096.

The previous prime is 1226015233. The next prime is 1226015267. The reversal of 1226015260 is 625106221.

It is a super-2 number, since 2×1226015260² = 3006226835505735200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226015267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30650362 + ... + 30650401.

It is an arithmetic number, because the mean of its divisors is an integer number (214552674).

Almost surely, 2^1226015260 is an apocalyptic number.

1226015260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226015260 is an abundant number, since it is smaller than the sum of its proper divisors (1348616828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226015260 is a wasteful number, since it uses less digits than its factorization.

1226015260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61300772 (or 61300770 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1226015260 is about 35014.5007104200. The cubic root of 1226015260 is about 1070.2829949925.

The spelling of 1226015260 in words is "one billion, two hundred twenty-six million, fifteen thousand, two hundred sixty".