1255921141 has 8 divisors (see below), whose sum is σ = 1332740160. Its totient is φ = 1180953312.

The previous prime is 1255921129. The next prime is 1255921151. The reversal of 1255921141 is 1411295521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255921141 - 2⁹ = 1255920629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255921111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461400 + ... + 464113.

It is an arithmetic number, because the mean of its divisors is an integer number (166592520).

Almost surely, 2^1255921141 is an apocalyptic number.

It is an amenable number.

1255921141 is a deficient number, since it is larger than the sum of its proper divisors (76819019).

1255921141 is an equidigital number, since it uses as much as digits as its factorization.

1255921141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925595.

The product of its digits is 3600, while the sum is 31.

The square root of 1255921141 is about 35438.9777081676. The cubic root of 1255921141 is about 1078.9155612744.

The spelling of 1255921141 in words is "one billion, two hundred fifty-five million, nine hundred twenty-one thousand, one hundred forty-one".