147774121 has 8 divisors (see below), whose sum is σ = 161301600. Its totient is φ = 134262240.

The previous prime is 147774089. The next prime is 147774131. The reversal of 147774121 is 121477741.

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 147774121 - 2⁵ = 147774089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147774131) 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, 25765 + ... + 30973.

It is an arithmetic number, because the mean of its divisors is an integer number (20162700).

Almost surely, 2^147774121 is an apocalyptic number.

147774121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

147774121 is a deficient number, since it is larger than the sum of its proper divisors (13527479).

147774121 is a wasteful number, since it uses less digits than its factorization.

147774121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799.

The product of its digits is 10976, while the sum is 34.

The square root of 147774121 is about 12156.2379460094. The cubic root of 147774121 is about 528.6880104008.

The spelling of 147774121 in words is "one hundred forty-seven million, seven hundred seventy-four thousand, one hundred twenty-one".