1252345555 has 16 divisors (see below), whose sum is σ = 1531982304. Its totient is φ = 982529280.

The previous prime is 1252345547. The next prime is 1252345559. The reversal of 1252345555 is 5555432521.

It is not a de Polignac number, because 1252345555 - 2³ = 1252345547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252345559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99919 + ... + 111751.

It is an arithmetic number, because the mean of its divisors is an integer number (95748894).

Almost surely, 2^1252345555 is an apocalyptic number.

1252345555 is a deficient number, since it is larger than the sum of its proper divisors (279636749).

1252345555 is a wasteful number, since it uses less digits than its factorization.

1252345555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12246.

The product of its digits is 150000, while the sum is 37.

The square root of 1252345555 is about 35388.4946698782. The cubic root of 1252345555 is about 1077.8907033596.

The spelling of 1252345555 in words is "one billion, two hundred fifty-two million, three hundred forty-five thousand, five hundred fifty-five".