106872554 has 4 divisors (see below), whose sum is σ = 160308834. Its totient is φ = 53436276.

The previous prime is 106872547. The next prime is 106872581. The reversal of 106872554 is 455278601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455278601 = 67 ⋅6795203.

It can be written as a sum of positive squares in only one way, i.e., 106646929 + 225625 = 10327^2 + 475^2 .

It is a super-2 number, since 2×106872554² = 22843485596965832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26718137 + ... + 26718140.

Almost surely, 2^106872554 is an apocalyptic number.

106872554 is a deficient number, since it is larger than the sum of its proper divisors (53436280).

106872554 is an equidigital number, since it uses as much as digits as its factorization.

106872554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53436279.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 106872554 is about 10337.9182623969. The cubic root of 106872554 is about 474.5573775192.

The spelling of 106872554 in words is "one hundred six million, eight hundred seventy-two thousand, five hundred fifty-four".