121735461552 has 40 divisors (see below), whose sum is σ = 314523326064. Its totient is φ = 40573319424.

The previous prime is 121735461539. The next prime is 121735461569. The reversal of 121735461552 is 255164537121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229078 + ... + 544010.

Almost surely, 2^121735461552 is an apocalyptic number.

121735461552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121735461552 is an abundant number, since it is smaller than the sum of its proper divisors (192787864512).

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

121735461552 is a wasteful number, since it uses less digits than its factorization.

121735461552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322997 (or 322991 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

Adding to 121735461552 its reverse (255164537121), we get a palindrome (376899998673).

The spelling of 121735461552 in words is "one hundred twenty-one billion, seven hundred thirty-five million, four hundred sixty-one thousand, five hundred fifty-two".