1251201301 has 8 divisors (see below), whose sum is σ = 1432019264. Its totient is φ = 1070902080.

The previous prime is 1251201283. The next prime is 1251201353. The reversal of 1251201301 is 1031021521.

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 1251201301 - 2⁹ = 1251200789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251201001) 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, 124500 + ... + 134173.

It is an arithmetic number, because the mean of its divisors is an integer number (179002408).

Almost surely, 2^1251201301 is an apocalyptic number.

It is an amenable number.

1251201301 is a deficient number, since it is larger than the sum of its proper divisors (180817963).

1251201301 is an equidigital number, since it uses as much as digits as its factorization.

1251201301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259371.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1251201301 is about 35372.3239411832. The cubic root of 1251201301 is about 1077.5623178016.

Adding to 1251201301 its reverse (1031021521), we get a palindrome (2282222822).

The spelling of 1251201301 in words is "one billion, two hundred fifty-one million, two hundred one thousand, three hundred one".