133121051 has 8 divisors (see below), whose sum is σ = 154717440. Its totient is φ = 112169448.

The previous prime is 133121041. The next prime is 133121059. The reversal of 133121051 is 150121331.

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 133121051 - 2²² = 128926747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133121059) 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, 160751 + ... + 161576.

It is an arithmetic number, because the mean of its divisors is an integer number (19339680).

Almost surely, 2^133121051 is an apocalyptic number.

133121051 is a deficient number, since it is larger than the sum of its proper divisors (21596389).

133121051 is an equidigital number, since it uses as much as digits as its factorization.

133121051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322393.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 133121051 is about 11537.8096274813. The cubic root of 133121051 is about 510.6016876577.

Adding to 133121051 its reverse (150121331), we get a palindrome (283242382).

The spelling of 133121051 in words is "one hundred thirty-three million, one hundred twenty-one thousand, fifty-one".