1252432451001 has 4 divisors (see below), whose sum is σ = 1669909934672. Its totient is φ = 834954967332.

The previous prime is 1252432450987. The next prime is 1252432451003. The reversal of 1252432451001 is 1001542342521.

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 not a de Polignac number, because 1252432451001 - 2²² = 1252428256697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252432451001.

It is not an unprimeable number, because it can be changed into a prime (1252432451003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208738741831 + ... + 208738741836.

It is an arithmetic number, because the mean of its divisors is an integer number (417477483668).

Almost surely, 2^{1252432451001} is an apocalyptic number.

It is an amenable number.

1252432451001 is a deficient number, since it is larger than the sum of its proper divisors (417477483671).

1252432451001 is an equidigital number, since it uses as much as digits as its factorization.

1252432451001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417477483670.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1252432451001 its reverse (1001542342521), we get a palindrome (2253974793522).

The spelling of 1252432451001 in words is "one trillion, two hundred fifty-two billion, four hundred thirty-two million, four hundred fifty-one thousand, one".