121335016 has 16 divisors (see below), whose sum is σ = 248185440. Its totient is φ = 55152240.

The previous prime is 121334999. The next prime is 121335061. The reversal of 121335016 is 610533121.

It is a happy number.

It is a super-2 number, since 2×121335016² = 29444372215440512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689316 + ... + 689491.

It is an arithmetic number, because the mean of its divisors is an integer number (15511590).

Almost surely, 2^121335016 is an apocalyptic number.

It is an amenable number.

121335016 is an abundant number, since it is smaller than the sum of its proper divisors (126850424).

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

121335016 is a wasteful number, since it uses less digits than its factorization.

121335016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378824 (or 1378820 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 121335016 is about 11015.2174740220. The cubic root of 121335016 is about 495.0648025897.

Adding to 121335016 its reverse (610533121), we get a palindrome (731868137).

The spelling of 121335016 in words is "one hundred twenty-one million, three hundred thirty-five thousand, sixteen".