151340121 has 24 divisors (see below), whose sum is σ = 223194816. Its totient is φ = 98794080.

The previous prime is 151340107. The next prime is 151340129. The reversal of 151340121 is 121043151.

It is not a de Polignac number, because 151340121 - 2¹⁵ = 151307353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151340094 and 151340103.

It is not an unprimeable number, because it can be changed into a prime (151340129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103431 + ... + 104883.

It is an arithmetic number, because the mean of its divisors is an integer number (9299784).

Almost surely, 2^151340121 is an apocalyptic number.

It is an amenable number.

151340121 is a deficient number, since it is larger than the sum of its proper divisors (71854695).

151340121 is a wasteful number, since it uses less digits than its factorization.

151340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 151340121 is about 12302.0372703061. The cubic root of 151340121 is about 532.9069190136.

Adding to 151340121 its reverse (121043151), we get a palindrome (272383272).

The spelling of 151340121 in words is "one hundred fifty-one million, three hundred forty thousand, one hundred twenty-one".