42102951 has 8 divisors (see below), whose sum is σ = 61240704. Its totient is φ = 25516920.

The previous prime is 42102943. The next prime is 42102959. The reversal of 42102951 is 15920124.

It is an interprime number because it is at equal distance from previous prime (42102943) and next prime (42102959).

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

It is not a de Polignac number, because 42102951 - 2³ = 42102943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102959) 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, 637891 + ... + 637956.

It is an arithmetic number, because the mean of its divisors is an integer number (7655088).

Almost surely, 2^42102951 is an apocalyptic number.

42102951 is a deficient number, since it is larger than the sum of its proper divisors (19137753).

42102951 is a wasteful number, since it uses less digits than its factorization.

42102951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275861.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 42102951 is about 6488.6786790532. The cubic root of 42102951 is about 347.8864489483.

The spelling of 42102951 in words is "forty-two million, one hundred two thousand, nine hundred fifty-one".