1255277542 has 8 divisors (see below), whose sum is σ = 1883083176. Its totient is φ = 627583152.

The previous prime is 1255277537. The next prime is 1255277549. The reversal of 1255277542 is 2457725521.

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

It is a junction number, because it is equal to n+sod(n) for n = 1255277495 and 1255277504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255277549) 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, 11533 + ... + 51415.

It is an arithmetic number, because the mean of its divisors is an integer number (235385397).

Almost surely, 2^1255277542 is an apocalyptic number.

1255277542 is a deficient number, since it is larger than the sum of its proper divisors (627805634).

1255277542 is a wasteful number, since it uses less digits than its factorization.

1255277542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55622.

The product of its digits is 196000, while the sum is 40.

The square root of 1255277542 is about 35429.8961612929. The cubic root of 1255277542 is about 1078.7312323913.

The spelling of 1255277542 in words is "one billion, two hundred fifty-five million, two hundred seventy-seven thousand, five hundred forty-two".