1240220301 has 4 divisors (see below), whose sum is σ = 1653627072. Its totient is φ = 826813532.

The previous prime is 1240220291. The next prime is 1240220347. The reversal of 1240220301 is 1030220421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1030220421 = 3 ⋅343406807.

It is a cyclic number.

It is not a de Polignac number, because 1240220301 - 2⁷ = 1240220173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240220381) 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, 206703381 + ... + 206703386.

It is an arithmetic number, because the mean of its divisors is an integer number (413406768).

Almost surely, 2^1240220301 is an apocalyptic number.

It is an amenable number.

1240220301 is a deficient number, since it is larger than the sum of its proper divisors (413406771).

1240220301 is an equidigital number, since it uses as much as digits as its factorization.

1240220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413406770.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1240220301 is about 35216.7616483969. The cubic root of 1240220301 is about 1074.4006902138.

Adding to 1240220301 its reverse (1030220421), we get a palindrome (2270440722).

The spelling of 1240220301 in words is "one billion, two hundred forty million, two hundred twenty thousand, three hundred one".