1670226121 has 8 divisors (see below), whose sum is σ = 1743643584. Its totient is φ = 1596875280.

The previous prime is 1670226101. The next prime is 1670226157. The reversal of 1670226121 is 1216220761.

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

It is not a de Polignac number, because 1670226121 - 2¹³ = 1670217929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1670226121.

It is not an unprimeable number, because it can be changed into a prime (1670226101) 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, 38511 + ... + 69451.

It is an arithmetic number, because the mean of its divisors is an integer number (217955448).

Almost surely, 2^1670226121 is an apocalyptic number.

It is an amenable number.

1670226121 is a deficient number, since it is larger than the sum of its proper divisors (73417463).

1670226121 is a wasteful number, since it uses less digits than its factorization.

1670226121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33311.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1670226121 is about 40868.4000298519. The cubic root of 1670226121 is about 1186.4745412966.

Adding to 1670226121 its reverse (1216220761), we get a palindrome (2886446882).

The spelling of 1670226121 in words is "one billion, six hundred seventy million, two hundred twenty-six thousand, one hundred twenty-one".