62121340 has 12 divisors (see below), whose sum is σ = 130454856. Its totient is φ = 24848528.

The previous prime is 62121331. The next prime is 62121341. The reversal of 62121340 is 4312126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62121341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553014 + ... + 1553053.

It is an arithmetic number, because the mean of its divisors is an integer number (10871238).

Almost surely, 2^62121340 is an apocalyptic number.

It is an amenable number.

62121340 is an abundant number, since it is smaller than the sum of its proper divisors (68333516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

62121340 is a wasteful number, since it uses less digits than its factorization.

62121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106076 (or 3106074 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 62121340 is about 7881.7092054960. The cubic root of 62121340 is about 396.0471919407.

Adding to 62121340 its reverse (4312126), we get a palindrome (66433466).

The spelling of 62121340 in words is "sixty-two million, one hundred twenty-one thousand, three hundred forty".