1345420101 has 4 divisors (see below), whose sum is σ = 1793893472. Its totient is φ = 896946732.

The previous prime is 1345420081. The next prime is 1345420151. The reversal of 1345420101 is 1010245431.

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 1345420101 - 2²² = 1341225797 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 (1345420151) 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, 224236681 + ... + 224236686.

It is an arithmetic number, because the mean of its divisors is an integer number (448473368).

Almost surely, 2^1345420101 is an apocalyptic number.

It is an amenable number.

1345420101 is a deficient number, since it is larger than the sum of its proper divisors (448473371).

1345420101 is an equidigital number, since it uses as much as digits as its factorization.

1345420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448473370.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1345420101 is about 36679.9686613825. The cubic root of 1345420101 is about 1103.9582193480.

Adding to 1345420101 its reverse (1010245431), we get a palindrome (2355665532).

The spelling of 1345420101 in words is "one billion, three hundred forty-five million, four hundred twenty thousand, one hundred one".