121031460 has 108 divisors (see below), whose sum is σ = 403610844. Its totient is φ = 29335680.

The previous prime is 121031437. The next prime is 121031461. The reversal of 121031460 is 64130121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84162276 + 36869184 = 9174^2 + 6072^2 .

It is a super-2 number, since 2×121031460² = 29297228619463200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121031461) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19002 + ... + 24558.

Almost surely, 2^121031460 is an apocalyptic number.

121031460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121031460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201805422).

121031460 is an abundant number, since it is smaller than the sum of its proper divisors (282579384).

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

121031460 is a wasteful number, since it uses less digits than its factorization.

121031460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 121031460 is about 11001.4299070621. The cubic root of 121031460 is about 494.6516067015.

Adding to 121031460 its reverse (64130121), we get a palindrome (185161581).

The spelling of 121031460 in words is "one hundred twenty-one million, thirty-one thousand, four hundred sixty".