1253784055 has 8 divisors (see below), whose sum is σ = 1504746432. Its totient is φ = 1002890208.

The previous prime is 1253784053. The next prime is 1253784071. The reversal of 1253784055 is 5504873521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253784055 - 2¹ = 1253784053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253783999 and 1253784017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253784053) 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, 41154 + ... + 64816.

It is an arithmetic number, because the mean of its divisors is an integer number (188093304).

Almost surely, 2^1253784055 is an apocalyptic number.

1253784055 is a deficient number, since it is larger than the sum of its proper divisors (250962377).

1253784055 is a wasteful number, since it uses less digits than its factorization.

1253784055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34265.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 1253784055 is about 35408.8132390793. The cubic root of 1253784055 is about 1078.3032499004.

The spelling of 1253784055 in words is "one billion, two hundred fifty-three million, seven hundred eighty-four thousand, fifty-five".