49120101 has 20 divisors (see below), whose sum is σ = 73646892. Its totient is φ = 32626368.

The previous prime is 49120081. The next prime is 49120103. The reversal of 49120101 is 10102194.

It can be written as a sum of positive squares in 2 ways, for example, as 21399876 + 27720225 = 4626^2 + 5265^2 .

It is not a de Polignac number, because 49120101 - 2⁹ = 49119589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49120103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24721 + ... + 26633.

Almost surely, 2^49120101 is an apocalyptic number.

It is an amenable number.

49120101 is a deficient number, since it is larger than the sum of its proper divisors (24526791).

49120101 is a wasteful number, since it uses less digits than its factorization.

49120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 49120101 is about 7008.5733926385. The cubic root of 49120101 is about 366.2292973268.

Adding to 49120101 its reverse (10102194), we get a palindrome (59222295).

The spelling of 49120101 in words is "forty-nine million, one hundred twenty thousand, one hundred one".