1321450151 has 8 divisors (see below), whose sum is σ = 1510483104. Its totient is φ = 1132480800.

The previous prime is 1321450121. The next prime is 1321450159. The reversal of 1321450151 is 1510541231.

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 1321450151 - 2⁶ = 1321450087 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 (1321450159) 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, 43361 + ... + 67253.

It is an arithmetic number, because the mean of its divisors is an integer number (188810388).

Almost surely, 2^1321450151 is an apocalyptic number.

1321450151 is a deficient number, since it is larger than the sum of its proper divisors (189032953).

1321450151 is an equidigital number, since it uses as much as digits as its factorization.

1321450151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31801.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1321450151 is about 36351.7558172917. The cubic root of 1321450151 is about 1097.3628704261.

Adding to 1321450151 its reverse (1510541231), we get a palindrome (2831991382).

The spelling of 1321450151 in words is "one billion, three hundred twenty-one million, four hundred fifty thousand, one hundred fifty-one".