102979471 has 4 divisors (see below), whose sum is σ = 117690832. Its totient is φ = 88268112.

The previous prime is 102979451. The next prime is 102979483. The reversal of 102979471 is 174979201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174979201 = 1753 ⋅99817.

It is a cyclic number.

It is not a de Polignac number, because 102979471 - 2⁷ = 102979343 is a prime.

It is a super-3 number, since 3×102979471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102979451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7355670 + ... + 7355683.

It is an arithmetic number, because the mean of its divisors is an integer number (29422708).

Almost surely, 2^102979471 is an apocalyptic number.

102979471 is a deficient number, since it is larger than the sum of its proper divisors (14711361).

102979471 is an equidigital number, since it uses as much as digits as its factorization.

102979471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14711360.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 102979471 is about 10147.8801234544. The cubic root of 102979471 is about 468.7236700825.

The spelling of 102979471 in words is "one hundred two million, nine hundred seventy-nine thousand, four hundred seventy-one".