1260227040 has 192 divisors, whose sum is σ = 4169636352. Its totient is φ = 319334400.

The previous prime is 1260227029. The next prime is 1260227069. The reversal of 1260227040 is 407220621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1260227040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2329170 + ... + 2329710.

It is an arithmetic number, because the mean of its divisors is an integer number (21716856).

Almost surely, 2^1260227040 is an apocalyptic number.

1260227040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260227040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084818176).

1260227040 is an abundant number, since it is smaller than the sum of its proper divisors (2909409312).

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

1260227040 is a wasteful number, since it uses less digits than its factorization.

1260227040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1260227040 is about 35499.6766182454. The cubic root of 1260227040 is about 1080.1471678737.

Adding to 1260227040 its reverse (407220621), we get a palindrome (1667447661).

The spelling of 1260227040 in words is "one billion, two hundred sixty million, two hundred twenty-seven thousand, forty".