103421952 has 144 divisors (see below), whose sum is σ = 310040640. Its totient is φ = 33177600.

The previous prime is 103421933. The next prime is 103421957. The reversal of 103421952 is 259124301.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×103421952² = 21392200310980608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103421957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571302 + ... + 571482.

It is an arithmetic number, because the mean of its divisors is an integer number (2153060).

Almost surely, 2^103421952 is an apocalyptic number.

103421952 is a gapful number since it is divisible by the number (12) 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 103421952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155020320).

103421952 is an abundant number, since it is smaller than the sum of its proper divisors (206618688).

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

103421952 is a wasteful number, since it uses less digits than its factorization.

103421952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 103421952 is about 10169.6584013427. The cubic root of 103421952 is about 469.3940463240.

The spelling of 103421952 in words is "one hundred three million, four hundred twenty-one thousand, nine hundred fifty-two".