1255241542 has 4 divisors (see below), whose sum is σ = 1882862316. Its totient is φ = 627620770.

The previous prime is 1255241531. The next prime is 1255241551. The reversal of 1255241542 is 2451425521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2451425521 = 17377 ⋅141073.

It is a super-3 number, since 3×1255241542³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313810384 + ... + 313810387.

It is an arithmetic number, because the mean of its divisors is an integer number (470715579).

Almost surely, 2^1255241542 is an apocalyptic number.

1255241542 is a deficient number, since it is larger than the sum of its proper divisors (627620774).

1255241542 is an equidigital number, since it uses as much as digits as its factorization.

1255241542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627620773.

The product of its digits is 16000, while the sum is 31.

The square root of 1255241542 is about 35429.3881121309. The cubic root of 1255241542 is about 1078.7209200117.

The spelling of 1255241542 in words is "one billion, two hundred fifty-five million, two hundred forty-one thousand, five hundred forty-two".