1972122 has 8 divisors (see below), whose sum is σ = 3944256. Its totient is φ = 657372.

The previous prime is 1972121. The next prime is 1972123. The reversal of 1972122 is 2212791.

It is an interprime number because it is at equal distance from previous prime (1972121) and next prime (1972123).

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

1972122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1972092 and 1972101.

It is not an unprimeable number, because it can be changed into a prime (1972121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164338 + ... + 164349.

It is an arithmetic number, because the mean of its divisors is an integer number (493032).

2^1972122 is an apocalyptic number.

1972122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1972122 is a wasteful number, since it uses less digits than its factorization.

1972122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328692.

The product of its digits is 504, while the sum is 24.

The square root of 1972122 is about 1404.3226125075. The cubic root of 1972122 is about 125.4039624418.

The spelling of 1972122 in words is "one million, nine hundred seventy-two thousand, one hundred twenty-two".