29128954 has 4 divisors (see below), whose sum is σ = 43693434. Its totient is φ = 14564476.

The previous prime is 29128937. The next prime is 29128969. The reversal of 29128954 is 45982192.

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

It can be written as a sum of positive squares in only one way, i.e., 28676025 + 452929 = 5355^2 + 673^2 .

It is a super-2 number, since 2×29128954² = 1696991922268232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7282237 + ... + 7282240.

Almost surely, 2^29128954 is an apocalyptic number.

29128954 is a deficient number, since it is larger than the sum of its proper divisors (14564480).

29128954 is a wasteful number, since it uses less digits than its factorization.

29128954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14564479.

The product of its digits is 51840, while the sum is 40.

The square root of 29128954 is about 5397.1246048243. The cubic root of 29128954 is about 307.6863972230.

The spelling of 29128954 in words is "twenty-nine million, one hundred twenty-eight thousand, nine hundred fifty-four".