101121738 has 16 divisors (see below), whose sum is σ = 204804480. Its totient is φ = 33280416.

The previous prime is 101121737. The next prime is 101121773. The reversal of 101121738 is 837121101.

It is a happy number.

It is a super-2 number, since 2×101121738² = 20451211792281288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101121737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106195 + ... + 107142.

It is an arithmetic number, because the mean of its divisors is an integer number (12800280).

Almost surely, 2^101121738 is an apocalyptic number.

101121738 is an abundant number, since it is smaller than the sum of its proper divisors (103682742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101121738 is a wasteful number, since it uses less digits than its factorization.

101121738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213421.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 101121738 is about 10055.9304890199. The cubic root of 101121738 is about 465.8879829240.

Adding to 101121738 its reverse (837121101), we get a palindrome (938242839).

The spelling of 101121738 in words is "one hundred one million, one hundred twenty-one thousand, seven hundred thirty-eight".