1255401542 has 8 divisors (see below), whose sum is σ = 1887136056. Its totient is φ = 626356192.

The previous prime is 1255401523. The next prime is 1255401547. The reversal of 1255401542 is 2451045521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255401547) 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, 671123 + ... + 672990.

It is an arithmetic number, because the mean of its divisors is an integer number (235892007).

Almost surely, 2^1255401542 is an apocalyptic number.

1255401542 is a deficient number, since it is larger than the sum of its proper divisors (631734514).

1255401542 is a wasteful number, since it uses less digits than its factorization.

1255401542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344582.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1255401542 is about 35431.6460526462. The cubic root of 1255401542 is about 1078.7667513009.

The spelling of 1255401542 in words is "one billion, two hundred fifty-five million, four hundred one thousand, five hundred forty-two".