1970358121 has 4 divisors (see below), whose sum is σ = 2074061200. Its totient is φ = 1866655044.

The previous prime is 1970358119. The next prime is 1970358127. The reversal of 1970358121 is 1218530791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1970358121 - 2¹ = 1970358119 is a prime.

It is a super-2 number, since 2×1970358121² = 7764622249981301282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970358127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51851511 + ... + 51851548.

It is an arithmetic number, because the mean of its divisors is an integer number (518515300).

Almost surely, 2^1970358121 is an apocalyptic number.

It is an amenable number.

1970358121 is a deficient number, since it is larger than the sum of its proper divisors (103703079).

1970358121 is a wasteful number, since it uses less digits than its factorization.

1970358121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103703078.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1970358121 is about 44388.7161449844. The cubic root of 1970358121 is about 1253.6656391109.

The spelling of 1970358121 in words is "one billion, nine hundred seventy million, three hundred fifty-eight thousand, one hundred twenty-one".