1401121297 has 4 divisors (see below), whose sum is σ = 1405541556. Its totient is φ = 1396701040.

The previous prime is 1401121273. The next prime is 1401121301. The reversal of 1401121297 is 7921211041.

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 60902416 + 1340218881 = 7804^2 + 36609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401121297 - 2¹¹ = 1401119249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401121097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209654 + ... + 2210287.

It is an arithmetic number, because the mean of its divisors is an integer number (351385389).

Almost surely, 2^1401121297 is an apocalyptic number.

It is an amenable number.

1401121297 is a deficient number, since it is larger than the sum of its proper divisors (4420259).

1401121297 is an equidigital number, since it uses as much as digits as its factorization.

1401121297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420258.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1401121297 is about 37431.5548301163. The cubic root of 1401121297 is about 1118.9875248943.

The spelling of 1401121297 in words is "one billion, four hundred one million, one hundred twenty-one thousand, two hundred ninety-seven".