1252142411 has 8 divisors (see below), whose sum is σ = 1355996880. Its totient is φ = 1149364512.

The previous prime is 1252142407. The next prime is 1252142447. The reversal of 1252142411 is 1142412521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252142411 - 2² = 1252142407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252142401) 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, 266720 + ... + 271373.

It is an arithmetic number, because the mean of its divisors is an integer number (169499610).

Almost surely, 2^1252142411 is an apocalyptic number.

1252142411 is a deficient number, since it is larger than the sum of its proper divisors (103854469).

1252142411 is a wasteful number, since it uses less digits than its factorization.

1252142411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538285.

The product of its digits is 640, while the sum is 23.

The square root of 1252142411 is about 35385.6243550965. The cubic root of 1252142411 is about 1077.8324183629.

Adding to 1252142411 its reverse (1142412521), we get a palindrome (2394554932).

The spelling of 1252142411 in words is "one billion, two hundred fifty-two million, one hundred forty-two thousand, four hundred eleven".