101402049 has 8 divisors (see below), whose sum is σ = 154517440. Its totient is φ = 57944016.

The previous prime is 101402039. The next prime is 101402051. The reversal of 101402049 is 940204101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101402049 - 2²¹ = 99304897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4828669 = 101402049 / (1 + 0 + 1 + 4 + 0 + 2 + 0 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (101402039) 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 in 7 ways as a sum of consecutive naturals, for example, 2414314 + ... + 2414355.

It is an arithmetic number, because the mean of its divisors is an integer number (19314680).

Almost surely, 2^101402049 is an apocalyptic number.

It is an amenable number.

101402049 is a deficient number, since it is larger than the sum of its proper divisors (53115391).

101402049 is an equidigital number, since it uses as much as digits as its factorization.

101402049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828679.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 101402049 is about 10069.8584399186. The cubic root of 101402049 is about 466.3180686318.

The spelling of 101402049 in words is "one hundred one million, four hundred two thousand, forty-nine".