1201321295 has 4 divisors (see below), whose sum is σ = 1441585560. Its totient is φ = 961057032.

The previous prime is 1201321273. The next prime is 1201321327. The reversal of 1201321295 is 5921231021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1201321295 - 2¹⁸ = 1201059151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120132125 + ... + 120132134.

It is an arithmetic number, because the mean of its divisors is an integer number (360396390).

Almost surely, 2^1201321295 is an apocalyptic number.

1201321295 is a deficient number, since it is larger than the sum of its proper divisors (240264265).

1201321295 is an equidigital number, since it uses as much as digits as its factorization.

1201321295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240264264.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1201321295 is about 34660.0821551248. The cubic root of 1201321295 is about 1063.0484498584.

The spelling of 1201321295 in words is "one billion, two hundred one million, three hundred twenty-one thousand, two hundred ninety-five".