1380121498 has 8 divisors (see below), whose sum is σ = 2365922592. Its totient is φ = 591480636.

The previous prime is 1380121403. The next prime is 1380121499. The reversal of 1380121498 is 8941210831.

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

It is not an unprimeable number, because it can be changed into a prime (1380121499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49290040 + ... + 49290067.

It is an arithmetic number, because the mean of its divisors is an integer number (295740324).

Almost surely, 2^1380121498 is an apocalyptic number.

1380121498 is a deficient number, since it is larger than the sum of its proper divisors (985801094).

1380121498 is an equidigital number, since it uses as much as digits as its factorization.

1380121498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98580116.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1380121498 is about 37149.9865141294. The cubic root of 1380121498 is about 1113.3689540238.

The spelling of 1380121498 in words is "one billion, three hundred eighty million, one hundred twenty-one thousand, four hundred ninety-eight".