106872442 has 4 divisors (see below), whose sum is σ = 160308666. Its totient is φ = 53436220.

The previous prime is 106872439. The next prime is 106872457. The reversal of 106872442 is 244278601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53597041 + 53275401 = 7321^2 + 7299^2 .

It is a super-2 number, since 2×106872442² = 22843437718086728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106872398 and 106872407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26718109 + ... + 26718112.

Almost surely, 2^106872442 is an apocalyptic number.

106872442 is a deficient number, since it is larger than the sum of its proper divisors (53436224).

106872442 is an equidigital number, since it uses as much as digits as its factorization.

106872442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53436223.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 106872442 is about 10337.9128454442. The cubic root of 106872442 is about 474.5572117441.

The spelling of 106872442 in words is "one hundred six million, eight hundred seventy-two thousand, four hundred forty-two".