10121402 has 4 divisors (see below), whose sum is σ = 15182106. Its totient is φ = 5060700.

The previous prime is 10121393. The next prime is 10121417. The reversal of 10121402 is 20412101.

10121402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6507601 + 3613801 = 2551^2 + 1901^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530349 + ... + 2530352.

Almost surely, 2^10121402 is an apocalyptic number.

10121402 is a deficient number, since it is larger than the sum of its proper divisors (5060704).

10121402 is an equidigital number, since it uses as much as digits as its factorization.

10121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060703.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10121402 is about 3181.4150939480. The cubic root of 10121402 is about 216.3118067622.

Adding to 10121402 its reverse (20412101), we get a palindrome (30533503).

The spelling of 10121402 in words is "ten million, one hundred twenty-one thousand, four hundred two".