942862362121 has 9 divisors (see below), whose sum is σ = 944943936391. Its totient is φ = 940785369592.

The previous prime is 942862362097. The next prime is 942862362133. The reversal of 942862362121 is 121263268249.

The square root of 942862362121 is 971011.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 219403244025 + 723459118096 = 468405^2 + 850564^2 .

It is not a de Polignac number, because 942862362121 - 2¹³ = 942862353929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942862362161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 634069440 + ... + 634070926.

Almost surely, 2^942862362121 is an apocalyptic number.

942862362121 is the 971011-st square number.

942862362121 is the 485506-th centered octagonal number.

It is an amenable number.

942862362121 is a deficient number, since it is larger than the sum of its proper divisors (2081574270).

942862362121 is an frugal number, since it uses more digits than its factorization.

942862362121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280 (or 2140 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The spelling of 942862362121 in words is "nine hundred forty-two billion, eight hundred sixty-two million, three hundred sixty-two thousand, one hundred twenty-one".