147211125 has 32 divisors (see below), whose sum is σ = 245781120. Its totient is φ = 78249600.

The previous prime is 147211121. The next prime is 147211151. The reversal of 147211125 is 521112741.

It is not a de Polignac number, because 147211125 - 2² = 147211121 is a prime.

It is a super-2 number, since 2×147211125² = 43342230647531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147211095 and 147211104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147211121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170946 + ... + 171804.

It is an arithmetic number, because the mean of its divisors is an integer number (7680660).

Almost surely, 2^147211125 is an apocalyptic number.

147211125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147211125 is a deficient number, since it is larger than the sum of its proper divisors (98569995).

147211125 is an equidigital number, since it uses as much as digits as its factorization.

147211125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1324 counting only the distinct ones).

The product of its digits is 560, while the sum is 24.

The square root of 147211125 is about 12133.0591773056. The cubic root of 147211125 is about 528.0157500754.

Adding to 147211125 its reverse (521112741), we get a palindrome (668323866).

The spelling of 147211125 in words is "one hundred forty-seven million, two hundred eleven thousand, one hundred twenty-five".