1226141560 has 64 divisors (see below), whose sum is σ = 3226291200. Its totient is φ = 410610816.

The previous prime is 1226141551. The next prime is 1226141621. The reversal of 1226141560 is 651416221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38880 + ... + 62959.

It is an arithmetic number, because the mean of its divisors is an integer number (50410800).

Almost surely, 2^1226141560 is an apocalyptic number.

1226141560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226141560 is an abundant number, since it is smaller than the sum of its proper divisors (2000149640).

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

1226141560 is a wasteful number, since it uses less digits than its factorization.

1226141560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101900 (or 101896 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1226141560 is about 35016.3042024712. The cubic root of 1226141560 is about 1070.3197460578.

Adding to 1226141560 its reverse (651416221), we get a palindrome (1877557781).

The spelling of 1226141560 in words is "one billion, two hundred twenty-six million, one hundred forty-one thousand, five hundred sixty".