1972491054 has 8 divisors (see below), whose sum is σ = 3944982120. Its totient is φ = 657497016.

The previous prime is 1972491047. The next prime is 1972491067. The reversal of 1972491054 is 4501942791.

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

1972491054 is an admirable number.

It is a super-2 number, since 2×1972491054² = 7781441916220061832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1972490997 and 1972491015.

It is a congruent number.

It is an unprimeable number.

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, 164374249 + ... + 164374260.

It is an arithmetic number, because the mean of its divisors is an integer number (493122765).

Almost surely, 2^1972491054 is an apocalyptic number.

1972491054 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.

1972491054 is a wasteful number, since it uses less digits than its factorization.

1972491054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328748514.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1972491054 is about 44412.7352681638. The cubic root of 1972491054 is about 1254.1178446418.

The spelling of 1972491054 in words is "one billion, nine hundred seventy-two million, four hundred ninety-one thousand, fifty-four".