129453061 has 8 divisors (see below), whose sum is σ = 136881920. Its totient is φ = 122085792.

The previous prime is 129453059. The next prime is 129453067. The reversal of 129453061 is 160354921.

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

It is not a de Polignac number, because 129453061 - 2¹ = 129453059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129453067) 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, 11040 + ... + 19513.

It is an arithmetic number, because the mean of its divisors is an integer number (17110240).

Almost surely, 2^129453061 is an apocalyptic number.

It is an amenable number.

129453061 is a deficient number, since it is larger than the sum of its proper divisors (7428859).

129453061 is a wasteful number, since it uses less digits than its factorization.

129453061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30795.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 129453061 is about 11377.7441085656. The cubic root of 129453061 is about 505.8682719898.

The spelling of 129453061 in words is "one hundred twenty-nine million, four hundred fifty-three thousand, sixty-one".