1225132301 has 4 divisors (see below), whose sum is σ = 1228417212. Its totient is φ = 1221847392.

The previous prime is 1225132273. The next prime is 1225132333. The reversal of 1225132301 is 1032315221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 447280201 + 777852100 = 21149^2 + 27890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225132301 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 (1225132001) 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, 1641896 + ... + 1642641.

It is an arithmetic number, because the mean of its divisors is an integer number (307104303).

Almost surely, 2^1225132301 is an apocalyptic number.

It is an amenable number.

1225132301 is a deficient number, since it is larger than the sum of its proper divisors (3284911).

1225132301 is an equidigital number, since it uses as much as digits as its factorization.

1225132301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284910.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1225132301 is about 35001.8899632577. The cubic root of 1225132301 is about 1070.0259990189.

Adding to 1225132301 its reverse (1032315221), we get a palindrome (2257447522).

The spelling of 1225132301 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, three hundred one".