1972140250 has 32 divisors (see below), whose sum is σ = 3909022416. Its totient is φ = 742451200.

The previous prime is 1972140239. The next prime is 1972140251. The reversal of 1972140250 is 520412791.

It can be written as a sum of positive squares in 8 ways, for example, as 79977249 + 1892163001 = 8943^2 + 43499^2 .

It is not an unprimeable number, because it can be changed into a prime (1972140251) 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 15 ways as a sum of consecutive naturals, for example, 227767 + ... + 236266.

Almost surely, 2^1972140250 is an apocalyptic number.

1972140250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1972140250 is a deficient number, since it is larger than the sum of its proper divisors (1936882166).

1972140250 is a wasteful number, since it uses less digits than its factorization.

1972140250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464067 (or 464057 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1972140250 is about 44408.7857298531. The cubic root of 1972140250 is about 1254.0434926966.

The spelling of 1972140250 in words is "one billion, nine hundred seventy-two million, one hundred forty thousand, two hundred fifty".