1252555041 has 16 divisors (see below), whose sum is σ = 1711790784. Its totient is φ = 814243584.

The previous prime is 1252555039. The next prime is 1252555049. The reversal of 1252555041 is 1405552521.

It is not a de Polignac number, because 1252555041 - 2¹ = 1252555039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252555049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71725 + ... + 87461.

It is an arithmetic number, because the mean of its divisors is an integer number (106986924).

Almost surely, 2^1252555041 is an apocalyptic number.

It is an amenable number.

1252555041 is a deficient number, since it is larger than the sum of its proper divisors (459235743).

1252555041 is a wasteful number, since it uses less digits than its factorization.

1252555041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1252555041 is about 35391.4543498851. The cubic root of 1252555041 is about 1077.9508013684.

The spelling of 1252555041 in words is "one billion, two hundred fifty-two million, five hundred fifty-five thousand, forty-one".