60121978 has 16 divisors (see below), whose sum is σ = 103207104. Its totient is φ = 25731360.

The previous prime is 60121973. The next prime is 60121987. The reversal of 60121978 is 87912106.

It is a happy number.

It is a super-2 number, since 2×60121978² = 7229304477264968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60121973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9493 + ... + 14503.

It is an arithmetic number, because the mean of its divisors is an integer number (6450444).

Almost surely, 2^60121978 is an apocalyptic number.

60121978 is a deficient number, since it is larger than the sum of its proper divisors (43085126).

60121978 is a wasteful number, since it uses less digits than its factorization.

60121978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 60121978 is about 7753.8363408058. The cubic root of 60121978 is about 391.7518777229.

The spelling of 60121978 in words is "sixty million, one hundred twenty-one thousand, nine hundred seventy-eight".