35722121 has 8 divisors (see below), whose sum is σ = 36996960. Its totient is φ = 34467552.

The previous prime is 35722097. The next prime is 35722123. The reversal of 35722121 is 12122753.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35722121 - 2¹⁴ = 35705737 is a prime.

It is a super-3 number, since 3×35722121³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35722123) 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, 1436 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (4624620).

Almost surely, 2^35722121 is an apocalyptic number.

It is an amenable number.

35722121 is a deficient number, since it is larger than the sum of its proper divisors (1274839).

35722121 is a wasteful number, since it uses less digits than its factorization.

35722121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135.

The product of its digits is 840, while the sum is 23.

The square root of 35722121 is about 5976.7985577565. The cubic root of 35722121 is about 329.3409589670.

Adding to 35722121 its reverse (12122753), we get a palindrome (47844874).

The spelling of 35722121 in words is "thirty-five million, seven hundred twenty-two thousand, one hundred twenty-one".