103021416 has 128 divisors (see below), whose sum is σ = 303264000. Its totient is φ = 32338944.

The previous prime is 103021409. The next prime is 103021417. The reversal of 103021416 is 614120301.

It is a happy number.

It is a super-2 number, since 2×103021416² = 21226824309290112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103021417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442036 + ... + 442268.

It is an arithmetic number, because the mean of its divisors is an integer number (2369250).

Almost surely, 2^103021416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103021416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151632000).

103021416 is an abundant number, since it is smaller than the sum of its proper divisors (200242584).

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

103021416 is a wasteful number, since it uses less digits than its factorization.

103021416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 103021416 is about 10149.9466008448. The cubic root of 103021416 is about 468.7873007117.

Adding to 103021416 its reverse (614120301), we get a palindrome (717141717).

The spelling of 103021416 in words is "one hundred three million, twenty-one thousand, four hundred sixteen".