10121534 has 4 divisors (see below), whose sum is σ = 15182304. Its totient is φ = 5060766.

The previous prime is 10121533. The next prime is 10121537. The reversal of 10121534 is 43512101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43512101 = 239 ⋅182059.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530382 + ... + 2530385.

It is an arithmetic number, because the mean of its divisors is an integer number (3795576).

Almost surely, 2^10121534 is an apocalyptic number.

10121534 is a deficient number, since it is larger than the sum of its proper divisors (5060770).

10121534 is an equidigital number, since it uses as much as digits as its factorization.

10121534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060769.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10121534 is about 3181.4358393656. The cubic root of 10121534 is about 216.3127471139.

Adding to 10121534 its reverse (43512101), we get a palindrome (53633635).

The spelling of 10121534 in words is "ten million, one hundred twenty-one thousand, five hundred thirty-four".