1201043397 has 8 divisors (see below), whose sum is σ = 1602745056. Its totient is φ = 800018672.

The previous prime is 1201043369. The next prime is 1201043401. The reversal of 1201043397 is 7933401021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201043397 - 2¹⁴ = 1201027013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201043297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165078 + ... + 172199.

It is an arithmetic number, because the mean of its divisors is an integer number (200343132).

Almost surely, 2^1201043397 is an apocalyptic number.

It is an amenable number.

1201043397 is a deficient number, since it is larger than the sum of its proper divisors (401701659).

1201043397 is a wasteful number, since it uses less digits than its factorization.

1201043397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338467.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1201043397 is about 34656.0730175824. The cubic root of 1201043397 is about 1062.9664729491.

The spelling of 1201043397 in words is "one billion, two hundred one million, forty-three thousand, three hundred ninety-seven".