1252335044 has 6 divisors (see below), whose sum is σ = 2191586334. Its totient is φ = 626167520.

The previous prime is 1252335001. The next prime is 1252335047. The reversal of 1252335044 is 4405332521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 863772100 + 388562944 = 29390^2 + 19712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1252334998 and 1252335016.

It is not an unprimeable number, because it can be changed into a prime (1252335047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156541877 + ... + 156541884.

It is an arithmetic number, because the mean of its divisors is an integer number (365264389).

Almost surely, 2^1252335044 is an apocalyptic number.

It is an amenable number.

1252335044 is a deficient number, since it is larger than the sum of its proper divisors (939251290).

1252335044 is a wasteful number, since it uses less digits than its factorization.

1252335044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313083765 (or 313083763 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1252335044 is about 35388.3461608479. The cubic root of 1252335044 is about 1077.8876877540.

Adding to 1252335044 its reverse (4405332521), we get a palindrome (5657667565).

The spelling of 1252335044 in words is "one billion, two hundred fifty-two million, three hundred thirty-five thousand, forty-four".