842902141 has 2 divisors, whose sum is σ = 842902142. Its totient is φ = 842902140.

The previous prime is 842902097. The next prime is 842902147. The reversal of 842902141 is 141209248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715776516 + 127125625 = 26754^2 + 11275^2 .

It is a cyclic number.

It is not a de Polignac number, because 842902141 - 2⁷ = 842902013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842902147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421451070 + 421451071.

It is an arithmetic number, because the mean of its divisors is an integer number (421451071).

Almost surely, 2^842902141 is an apocalyptic number.

It is an amenable number.

842902141 is a deficient number, since it is larger than the sum of its proper divisors (1).

842902141 is an equidigital number, since it uses as much as digits as its factorization.

842902141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 842902141 is about 29032.7770115089. Note that the first 3 decimals coincide. The cubic root of 842902141 is about 944.6241671504.

The spelling of 842902141 in words is "eight hundred forty-two million, nine hundred two thousand, one hundred forty-one".