10121436 has 96 divisors (see below), whose sum is σ = 28929600. Its totient is φ = 3079296.

The previous prime is 10121429. The next prime is 10121437. The reversal of 10121436 is 63412101.

It is a happy number.

10121436 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121437) 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, 113680 + ... + 113768.

It is an arithmetic number, because the mean of its divisors is an integer number (301350).

Almost surely, 2^10121436 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 10121436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14464800).

10121436 is an abundant number, since it is smaller than the sum of its proper divisors (18808164).

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

10121436 is an equidigital number, since it uses as much as digits as its factorization.

10121436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

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

The square root of 10121436 is about 3181.4204374776. The cubic root of 10121436 is about 216.3120489747.

Adding to 10121436 its reverse (63412101), we get a palindrome (73533537).

The spelling of 10121436 in words is "ten million, one hundred twenty-one thousand, four hundred thirty-six".