1252116041 has 4 divisors (see below), whose sum is σ = 1365944784. Its totient is φ = 1138287300.

The previous prime is 1252116029. The next prime is 1252116127. The reversal of 1252116041 is 1406112521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252116041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1252115998 and 1252116016.

It is not an unprimeable number, because it can be changed into a prime (1252116641) 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 3 ways as a sum of consecutive naturals, for example, 56914355 + ... + 56914376.

It is an arithmetic number, because the mean of its divisors is an integer number (341486196).

Almost surely, 2^1252116041 is an apocalyptic number.

1252116041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1252116041 is a deficient number, since it is larger than the sum of its proper divisors (113828743).

1252116041 is a wasteful number, since it uses less digits than its factorization.

1252116041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113828742.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1252116041 is about 35385.2517441942. The cubic root of 1252116041 is about 1077.8248519604.

Adding to 1252116041 its reverse (1406112521), we get a palindrome (2658228562).

The spelling of 1252116041 in words is "one billion, two hundred fifty-two million, one hundred sixteen thousand, forty-one".