1972049227 has 8 divisors (see below), whose sum is σ = 1995402240. Its totient is φ = 1948777320.

The previous prime is 1972049179. The next prime is 1972049239. The reversal of 1972049227 is 7229402791.

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

It is a cyclic number.

It is not a de Polignac number, because 1972049227 - 2¹¹ = 1972047179 is a prime.

It is a super-2 number, since 2×1972049227² = 7777956307422595058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972047227) 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, 29352 + ... + 69322.

It is an arithmetic number, because the mean of its divisors is an integer number (249425280).

Almost surely, 2^1972049227 is an apocalyptic number.

1972049227 is a deficient number, since it is larger than the sum of its proper divisors (23353013).

1972049227 is a wasteful number, since it uses less digits than its factorization.

1972049227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40553.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1972049227 is about 44407.7608870341. The cubic root of 1972049227 is about 1254.0241991808.

The spelling of 1972049227 in words is "one billion, nine hundred seventy-two million, forty-nine thousand, two hundred twenty-seven".