345712127 has 4 divisors (see below), whose sum is σ = 355055736. Its totient is φ = 336368520.

The previous prime is 345712121. The next prime is 345712141. The reversal of 345712127 is 721217543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721217543 = 43 ⋅16772501.

It is a cyclic number.

It is not a de Polignac number, because 345712127 - 2⁶ = 345712063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345712093 and 345712102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345712121) 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, 4671749 + ... + 4671822.

It is an arithmetic number, because the mean of its divisors is an integer number (88763934).

Almost surely, 2^345712127 is an apocalyptic number.

345712127 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

345712127 is a deficient number, since it is larger than the sum of its proper divisors (9343609).

345712127 is an equidigital number, since it uses as much as digits as its factorization.

345712127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343608.

The product of its digits is 11760, while the sum is 32.

The square root of 345712127 is about 18593.3355533643. The cubic root of 345712127 is about 701.8401427929.

The spelling of 345712127 in words is "three hundred forty-five million, seven hundred twelve thousand, one hundred twenty-seven".