103621412 has 6 divisors (see below), whose sum is σ = 181337478. Its totient is φ = 51810704.

The previous prime is 103621411. The next prime is 103621429. The reversal of 103621412 is 214126301.

It can be written as a sum of positive squares in only one way, i.e., 72863296 + 30758116 = 8536^2 + 5546^2 .

It is a super-3 number, since 3×103621412³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103621411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12952673 + ... + 12952680.

It is an arithmetic number, because the mean of its divisors is an integer number (30222913).

Almost surely, 2^103621412 is an apocalyptic number.

It is an amenable number.

103621412 is a deficient number, since it is larger than the sum of its proper divisors (77716066).

103621412 is a wasteful number, since it uses less digits than its factorization.

103621412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25905357 (or 25905355 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 103621412 is about 10179.4603000356. The cubic root of 103621412 is about 469.6956109671.

Adding to 103621412 its reverse (214126301), we get a palindrome (317747713).

The spelling of 103621412 in words is "one hundred three million, six hundred twenty-one thousand, four hundred twelve".