10119720 has 96 divisors (see below), whose sum is σ = 32940000. Its totient is φ = 2486016.

The previous prime is 10119691. The next prime is 10119721. The reversal of 10119720 is 2791101.

Added to its reverse (2791101) it gives a triangular number (12910821 = T₅₀₈₁).

It is not an unprimeable number, because it can be changed into a prime (10119721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20031 + ... + 20529.

It is an arithmetic number, because the mean of its divisors is an integer number (343125).

Almost surely, 2^10119720 is an apocalyptic number.

10119720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10119720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16470000).

10119720 is an abundant number, since it is smaller than the sum of its proper divisors (22820280).

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

10119720 is a wasteful number, since it uses less digits than its factorization.

10119720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 10119720 is about 3181.1507351900. The cubic root of 10119720 is about 216.2998236853.

Adding to 10119720 its reverse (2791101), we get a triangular number (12910821 = T₅₀₈₁).

It can be divided in two parts, 1011 and 9720, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 10119720 in words is "ten million, one hundred nineteen thousand, seven hundred twenty".