121400652 has 48 divisors (see below), whose sum is σ = 298995200. Its totient is φ = 38232000.

The previous prime is 121400651. The next prime is 121400677. The reversal of 121400652 is 256004121.

It is not an unprimeable number, because it can be changed into a prime (121400651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161277 + ... + 162027.

Almost surely, 2^121400652 is an apocalyptic number.

121400652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121400652 is an abundant number, since it is smaller than the sum of its proper divisors (177594548).

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

121400652 is a wasteful number, since it uses less digits than its factorization.

121400652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121400652 is about 11018.1964041308. The cubic root of 121400652 is about 495.1540546925.

Adding to 121400652 its reverse (256004121), we get a palindrome (377404773).

The spelling of 121400652 in words is "one hundred twenty-one million, four hundred thousand, six hundred fifty-two".