201269051 has 4 divisors (see below), whose sum is σ = 202620000. Its totient is φ = 199918104.

The previous prime is 201269027. The next prime is 201269059. The reversal of 201269051 is 150962102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201269051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201269051.

It is not an unprimeable number, because it can be changed into a prime (201269059) 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, 675251 + ... + 675548.

It is an arithmetic number, because the mean of its divisors is an integer number (50655000).

Almost surely, 2^201269051 is an apocalyptic number.

201269051 is a deficient number, since it is larger than the sum of its proper divisors (1350949).

201269051 is a wasteful number, since it uses less digits than its factorization.

201269051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350948.

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

The square root of 201269051 is about 14186.9324027430. The cubic root of 201269051 is about 586.0378498696.

The spelling of 201269051 in words is "two hundred one million, two hundred sixty-nine thousand, fifty-one".