1254342655 has 32 divisors (see below), whose sum is σ = 1595635200. Its totient is φ = 945168000.

The previous prime is 1254342629. The next prime is 1254342707. The reversal of 1254342655 is 5562434521.

It is not a de Polignac number, because 1254342655 - 2⁵ = 1254342623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291320 + ... + 1292290.

It is an arithmetic number, because the mean of its divisors is an integer number (49863600).

Almost surely, 2^1254342655 is an apocalyptic number.

1254342655 is a deficient number, since it is larger than the sum of its proper divisors (341292545).

1254342655 is a wasteful number, since it uses less digits than its factorization.

1254342655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its digits is 144000, while the sum is 37.

The square root of 1254342655 is about 35416.7002274351. The cubic root of 1254342655 is about 1078.4633653954.

The spelling of 1254342655 in words is "one billion, two hundred fifty-four million, three hundred forty-two thousand, six hundred fifty-five".