1332420101 has 4 divisors (see below), whose sum is σ = 1410797772. Its totient is φ = 1254042432.

The previous prime is 1332420079. The next prime is 1332420113. The reversal of 1332420101 is 1010242331.

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 505800100 + 826620001 = 22490^2 + 28751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332420101 - 2¹⁴ = 1332403717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 78377653 = 1332420101 / (1 + 3 + 3 + 2 + 4 + 2 + 0 + 1 + 0 + 1).

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 1332420101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332420301) 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, 39188810 + ... + 39188843.

It is an arithmetic number, because the mean of its divisors is an integer number (352699443).

Almost surely, 2^1332420101 is an apocalyptic number.

It is an amenable number.

1332420101 is a deficient number, since it is larger than the sum of its proper divisors (78377671).

1332420101 is an equidigital number, since it uses as much as digits as its factorization.

1332420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78377670.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1332420101 is about 36502.3300763116. The cubic root of 1332420101 is about 1100.3910733453.

Adding to 1332420101 its reverse (1010242331), we get a palindrome (2342662432).

The spelling of 1332420101 in words is "one billion, three hundred thirty-two million, four hundred twenty thousand, one hundred one".