101001402 has 48 divisors (see below), whose sum is σ = 224819712. Its totient is φ = 32755680.

The previous prime is 101001391. The next prime is 101001427. The reversal of 101001402 is 204100101.

It is a happy number.

It is a super-3 number, since 3×101001402³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 234127 + ... + 234557.

It is an arithmetic number, because the mean of its divisors is an integer number (4683744).

Almost surely, 2^101001402 is an apocalyptic number.

101001402 is an abundant number, since it is smaller than the sum of its proper divisors (123818310).

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

101001402 is a wasteful number, since it uses less digits than its factorization.

101001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101001402 is about 10049.9453729859. The cubic root of 101001402 is about 465.7031055979.

Adding to 101001402 its reverse (204100101), we get a palindrome (305101503).

The spelling of 101001402 in words is "one hundred one million, one thousand, four hundred two".