1402120746 has 128 divisors (see below), whose sum is σ = 3449779200. Its totient is φ = 419489280.

The previous prime is 1402120729. The next prime is 1402120757. The reversal of 1402120746 is 6470212041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5866495 + ... + 5866733.

It is an arithmetic number, because the mean of its divisors is an integer number (26951400).

Almost surely, 2^1402120746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402120746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724889600).

1402120746 is an abundant number, since it is smaller than the sum of its proper divisors (2047658454).

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

1402120746 is a wasteful number, since it uses less digits than its factorization.

1402120746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1402120746 is about 37444.9028039866. The cubic root of 1402120746 is about 1119.2535273576.

Adding to 1402120746 its reverse (6470212041), we get a palindrome (7872332787).

The spelling of 1402120746 in words is "one billion, four hundred two million, one hundred twenty thousand, seven hundred forty-six".