106512751 has 4 divisors (see below), whose sum is σ = 109391512. Its totient is φ = 103633992.

The previous prime is 106512743. The next prime is 106512779. The reversal of 106512751 is 157215601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157215601 = 31 ⋅5071471.

It is a cyclic number.

It is not a de Polignac number, because 106512751 - 2³ = 106512743 is a prime.

It is a super-2 number, since 2×106512751² = 22689932251176002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106512151) 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, 1439325 + ... + 1439398.

It is an arithmetic number, because the mean of its divisors is an integer number (27347878).

Almost surely, 2^106512751 is an apocalyptic number.

106512751 is a deficient number, since it is larger than the sum of its proper divisors (2878761).

106512751 is an equidigital number, since it uses as much as digits as its factorization.

106512751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878760.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 106512751 is about 10320.5014897533. The cubic root of 106512751 is about 474.0242217915.

The spelling of 106512751 in words is "one hundred six million, five hundred twelve thousand, seven hundred fifty-one".