63120371 has 8 divisors (see below), whose sum is σ = 68989824. Its totient is φ = 57490560.

The previous prime is 63120367. The next prime is 63120377. The reversal of 63120371 is 17302136.

It is a happy number.

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 63120371 - 2² = 63120367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63120377) 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, 59360 + ... + 60413.

It is an arithmetic number, because the mean of its divisors is an integer number (8623728).

Almost surely, 2^63120371 is an apocalyptic number.

63120371 is a deficient number, since it is larger than the sum of its proper divisors (5869453).

63120371 is a wasteful number, since it uses less digits than its factorization.

63120371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119821.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 63120371 is about 7944.8329749593. The cubic root of 63120371 is about 398.1589791890.

The spelling of 63120371 in words is "sixty-three million, one hundred twenty thousand, three hundred seventy-one".