101612449 has 4 divisors (see below), whose sum is σ = 103774464. Its totient is φ = 99450436.

The previous prime is 101612429. The next prime is 101612479. The reversal of 101612449 is 944216101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101612449 - 2¹⁹ = 101088161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101612429) 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, 1080937 + ... + 1081030.

It is an arithmetic number, because the mean of its divisors is an integer number (25943616).

Almost surely, 2^101612449 is an apocalyptic number.

It is an amenable number.

101612449 is a deficient number, since it is larger than the sum of its proper divisors (2162015).

101612449 is an equidigital number, since it uses as much as digits as its factorization.

101612449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162014.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 101612449 is about 10080.3000451375. The cubic root of 101612449 is about 466.6403683026.

The spelling of 101612449 in words is "one hundred one million, six hundred twelve thousand, four hundred forty-nine".