101049997 has 12 divisors (see below), whose sum is σ = 104635776. Its totient is φ = 97582320.

The previous prime is 101049983. The next prime is 101050039. The reversal of 101049997 is 799940101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-101049997 is a prime.

It is a super-2 number, since 2×101049997² = 20422203787400018, 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 (101049937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305122 + ... + 305452.

It is an arithmetic number, because the mean of its divisors is an integer number (8719648).

Almost surely, 2^101049997 is an apocalyptic number.

It is an amenable number.

101049997 is a deficient number, since it is larger than the sum of its proper divisors (3585779).

101049997 is an equidigital number, since it uses as much as digits as its factorization.

101049997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 101049997 is about 10052.3627570835. The cubic root of 101049997 is about 465.7777818350. Note that the first 4 decimals are identical.

The spelling of 101049997 in words is "one hundred one million, forty-nine thousand, nine hundred ninety-seven".