42151202 has 4 divisors (see below), whose sum is σ = 63226806. Its totient is φ = 21075600.

The previous prime is 42151199. The next prime is 42151229. The reversal of 42151202 is 20215124.

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., 39325441 + 2825761 = 6271^2 + 1681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10537799 + ... + 10537802.

Almost surely, 2^42151202 is an apocalyptic number.

42151202 is a deficient number, since it is larger than the sum of its proper divisors (21075604).

42151202 is a wasteful number, since it uses less digits than its factorization.

42151202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21075603.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42151202 is about 6492.3957057468. The cubic root of 42151202 is about 348.0192936412.

Adding to 42151202 its reverse (20215124), we get a palindrome (62366326).

The spelling of 42151202 in words is "forty-two million, one hundred fifty-one thousand, two hundred two".