1201319 has 4 divisors (see below), whose sum is σ = 1372944. Its totient is φ = 1029696.

The previous prime is 1201309. The next prime is 1201327. The reversal of 1201319 is 9131021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201319 is a prime.

It is a super-2 number, since 2×1201319² = 2886334679522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201297 and 1201306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201309) 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, 85802 + ... + 85815.

It is an arithmetic number, because the mean of its divisors is an integer number (343236).

2^1201319 is an apocalyptic number.

1201319 is a deficient number, since it is larger than the sum of its proper divisors (171625).

1201319 is an equidigital number, since it uses as much as digits as its factorization.

1201319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171624.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1201319 is about 1096.0469880439. The cubic root of 1201319 is about 106.3047772910.

The spelling of 1201319 in words is "one million, two hundred one thousand, three hundred nineteen".