1255214141 has 4 divisors (see below), whose sum is σ = 1275791484. Its totient is φ = 1234636800.

The previous prime is 1255214131. The next prime is 1255214153. The reversal of 1255214141 is 1414125521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40691641 + 1214522500 = 6379^2 + 34850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255214141 - 2¹⁰ = 1255213117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255214141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255214131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10288580 + ... + 10288701.

It is an arithmetic number, because the mean of its divisors is an integer number (318947871).

Almost surely, 2^1255214141 is an apocalyptic number.

It is an amenable number.

1255214141 is a deficient number, since it is larger than the sum of its proper divisors (20577343).

1255214141 is an equidigital number, since it uses as much as digits as its factorization.

1255214141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20577342.

The product of its digits is 1600, while the sum is 26.

The square root of 1255214141 is about 35429.0014112732. The cubic root of 1255214141 is about 1078.7130707264.

Adding to 1255214141 its reverse (1414125521), we get a palindrome (2669339662).

The spelling of 1255214141 in words is "one billion, two hundred fifty-five million, two hundred fourteen thousand, one hundred forty-one".