1255341120 has 336 divisors, whose sum is σ = 4465710144. Its totient is φ = 298496000.

The previous prime is 1255341091. The next prime is 1255341121. The reversal of 1255341120 is 211435521.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1255341121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11732107 + ... + 11732213.

It is an arithmetic number, because the mean of its divisors is an integer number (13290804).

Almost surely, 2^1255341120 is an apocalyptic number.

1255341120 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 1255341120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232855072).

1255341120 is an abundant number, since it is smaller than the sum of its proper divisors (3210369024).

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

1255341120 is a wasteful number, since it uses less digits than its factorization.

1255341120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1255341120 is about 35430.7933865444. The cubic root of 1255341120 is about 1078.7494441450.

Adding to 1255341120 its reverse (211435521), we get a palindrome (1466776641).

The spelling of 1255341120 in words is "one billion, two hundred fifty-five million, three hundred forty-one thousand, one hundred twenty".