1302121401 has 8 divisors (see below), whose sum is σ = 1984185024. Its totient is φ = 744069360.

The previous prime is 1302121397. The next prime is 1302121411. The reversal of 1302121401 is 1041212031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1302121401 - 2² = 1302121397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1302121411) 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, 31002870 + ... + 31002911.

It is an arithmetic number, because the mean of its divisors is an integer number (248023128).

Almost surely, 2^1302121401 is an apocalyptic number.

It is an amenable number.

1302121401 is a deficient number, since it is larger than the sum of its proper divisors (682063623).

1302121401 is an equidigital number, since it uses as much as digits as its factorization.

1302121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62005791.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1302121401 is about 36084.9193015586. The cubic root of 1302121401 is about 1091.9862224710.

Adding to 1302121401 its reverse (1041212031), we get a palindrome (2343333432).

The spelling of 1302121401 in words is "one billion, three hundred two million, one hundred twenty-one thousand, four hundred one".