1255394654 has 16 divisors (see below), whose sum is σ = 1889868240. Its totient is φ = 625443840.

The previous prime is 1255394653. The next prime is 1255394663. The reversal of 1255394654 is 4564935521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255394653) 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, 1131452 + ... + 1132560.

It is an arithmetic number, because the mean of its divisors is an integer number (118116765).

Almost surely, 2^1255394654 is an apocalyptic number.

1255394654 is a deficient number, since it is larger than the sum of its proper divisors (634473586).

1255394654 is a wasteful number, since it uses less digits than its factorization.

1255394654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its digits is 648000, while the sum is 44.

The square root of 1255394654 is about 35431.5488512710. The cubic root of 1255394654 is about 1078.7647783441.

The spelling of 1255394654 in words is "one billion, two hundred fifty-five million, three hundred ninety-four thousand, six hundred fifty-four".