1321154034 has 16 divisors (see below), whose sum is σ = 2658132288. Its totient is φ = 437747312.

The previous prime is 1321153979. The next prime is 1321154089. The reversal of 1321154034 is 4304511231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1321153979) and next prime (1321154089).

It is a super-3 number, since 3×1321154034³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321153995 and 1321154013.

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, 658257 + ... + 660260.

It is an arithmetic number, because the mean of its divisors is an integer number (166133268).

Almost surely, 2^1321154034 is an apocalyptic number.

1321154034 is an abundant number, since it is smaller than the sum of its proper divisors (1336978254).

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

1321154034 is a wasteful number, since it uses less digits than its factorization.

1321154034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318689.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1321154034 is about 36347.6826496546. The cubic root of 1321154034 is about 1097.2808968267.

Adding to 1321154034 its reverse (4304511231), we get a palindrome (5625665265).

The spelling of 1321154034 in words is "one billion, three hundred twenty-one million, one hundred fifty-four thousand, thirty-four".