1401202097 has 4 divisors (see below), whose sum is σ = 1408314996. Its totient is φ = 1394089200.

The previous prime is 1401202087. The next prime is 1401202123. The reversal of 1401202097 is 7902021041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7902021041 = 71 ⋅111296071.

It can be written as a sum of positive squares in 2 ways, for example, as 1083792241 + 317409856 = 32921^2 + 17816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401202097 - 2⁴ = 1401202081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401202087) 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, 3556154 + ... + 3556547.

It is an arithmetic number, because the mean of its divisors is an integer number (352078749).

Almost surely, 2^1401202097 is an apocalyptic number.

It is an amenable number.

1401202097 is a deficient number, since it is larger than the sum of its proper divisors (7112899).

1401202097 is an equidigital number, since it uses as much as digits as its factorization.

1401202097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112898.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1401202097 is about 37432.6341178389. The cubic root of 1401202097 is about 1119.0090344415.

The spelling of 1401202097 in words is "one billion, four hundred one million, two hundred two thousand, ninety-seven".