1252116073 has 8 divisors (see below), whose sum is σ = 1370539016. Its totient is φ = 1136851200.

The previous prime is 1252116029. The next prime is 1252116127. The reversal of 1252116073 is 3706112521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 191767104 + 1060348969 = 13848^2 + 32563^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252116073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252116023) 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, 788688 + ... + 790273.

It is an arithmetic number, because the mean of its divisors is an integer number (171317377).

Almost surely, 2^1252116073 is an apocalyptic number.

1252116073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1252116073 is a deficient number, since it is larger than the sum of its proper divisors (118422943).

1252116073 is a wasteful number, since it uses less digits than its factorization.

1252116073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579035.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1252116073 is about 35385.2521963600. The cubic root of 1252116073 is about 1077.8248611422.

Adding to 1252116073 its reverse (3706112521), we get a palindrome (4958228594).

The spelling of 1252116073 in words is "one billion, two hundred fifty-two million, one hundred sixteen thousand, seventy-three".