1294247201 has 4 divisors (see below), whose sum is σ = 1393804692. Its totient is φ = 1194689712.

The previous prime is 1294247189. The next prime is 1294247231. The reversal of 1294247201 is 1027424921.

It is a happy number.

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 367105600 + 927141601 = 19160^2 + 30449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1294247201 - 2¹⁸ = 1293985057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1294247231) 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, 49778726 + ... + 49778751.

It is an arithmetic number, because the mean of its divisors is an integer number (348451173).

Almost surely, 2^1294247201 is an apocalyptic number.

It is an amenable number.

1294247201 is a deficient number, since it is larger than the sum of its proper divisors (99557491).

1294247201 is an equidigital number, since it uses as much as digits as its factorization.

1294247201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99557490.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1294247201 is about 35975.6473326054. The cubic root of 1294247201 is about 1089.7806143212.

The spelling of 1294247201 in words is "one billion, two hundred ninety-four million, two hundred forty-seven thousand, two hundred one".