1260222726 has 48 divisors (see below), whose sum is σ = 2976521472. Its totient is φ = 348437520.

The previous prime is 1260222721. The next prime is 1260222731. The reversal of 1260222726 is 6272220621.

It is an interprime number because it is at equal distance from previous prime (1260222721) and next prime (1260222731).

It is a super-2 number, since 2×1260222726² = 3176322638253742152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1260222693 and 1260222702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260222721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24751 + ... + 55973.

It is an arithmetic number, because the mean of its divisors is an integer number (62010864).

Almost surely, 2^1260222726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260222726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488260736).

1260222726 is an abundant number, since it is smaller than the sum of its proper divisors (1716298746).

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

1260222726 is a wasteful number, since it uses less digits than its factorization.

1260222726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31297 (or 31266 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1260222726 is about 35499.6158570765. The cubic root of 1260222726 is about 1080.1459353550.

The spelling of 1260222726 in words is "one billion, two hundred sixty million, two hundred twenty-two thousand, seven hundred twenty-six".